The document discusses JDBC and provides information on its objectives, architecture, drivers, API, and how to create JDBC applications. The key points covered are that JDBC has two layers - the application layer and driver layer; there are four types of JDBC drivers; and the main steps to create a JDBC application are to load a driver, connect to a database, create and execute statements, and handle exceptions.
The document discusses various topics in JDBC including prepared statements, transactions, batch updates, stored procedures, and metadata. Prepared statements allow passing parameters to SQL statements and improve performance. Transactions commit or rollback multiple statements as a single unit. Batch updates execute a group of statements together more efficiently. Stored procedures are called using CallableStatement and parameters can be IN, OUT, or INOUT. Database metadata describes database structure and result set metadata describes result columns.
The document discusses JDBC (Java Database Connectivity). It describes the key components of JDBC including the architecture with application and driver layers, the different types of drivers, and how to use the JDBC API to connect to a database and execute SQL statements. The steps to create a JDBC application are also outlined, such as loading a driver, connecting to the database, creating statements, and handling exceptions.
JDBC provides an API for accessing databases from Java that simplifies development, supports metadata access, and allows connection pooling. It includes interfaces for application writers and driver writers, with popular drivers available for databases like Oracle, MySQL, and SQL Server. JDBC drivers can be Type 1 (JDBC-ODBC bridge), Type 2 (partial JDBC), Type 3 (pure Java for middleware), or Type 4 (direct connection).
The document provides an overview of key concepts in using the PreparedStatement object in JDBC, including querying and modifying data, methods, retrieving and inserting rows, updating and deleting rows, managing transactions, batch updates, stored procedures, and metadata. Specifically, it discusses how to create PreparedStatements, set parameters, execute queries and updates, manage transactions, perform batch operations, call stored procedures, and retrieve metadata about the database and result sets.
Introduction to JDBC and database access in web applicationsFulvio Corno
Introduction to the JDBC standard and best practices for database access from Web Applications.
Materiale realizzato per il corso di Sistemi Informativi Aziendali del Politecnico di Torino - http://bit.ly/sistinfo
Jdbc example program with access and MySqlkamal kotecha
The document provides examples of using JDBC to connect to and interact with Microsoft Access and MySQL databases. It includes steps to create databases and tables in Access and MySQL, as well as code samples demonstrating how to connect to the databases using JDBC, execute queries using Statement and PreparedStatement, and retrieve and display result sets. Key aspects like loading the appropriate JDBC driver and connection strings for different databases are also explained.
This document provides an overview of connecting to and interacting with databases using JDBC. It begins with database basics, explaining concepts like tables, records, queries, and SQL. It then covers connecting to a database with JDBC, including registering drivers and obtaining a connection. Finally, it discusses querying and manipulating databases with JDBC through executing SQL statements and processing result sets. Examples are provided to demonstrate selecting, updating, and inserting data into databases using JDBC.
The document discusses various topics in JDBC including prepared statements, transactions, batch updates, stored procedures, and metadata. Prepared statements allow passing parameters to SQL statements and improve performance. Transactions commit or rollback multiple statements as a single unit. Batch updates execute a group of statements together more efficiently. Stored procedures are called using CallableStatement and parameters can be IN, OUT, or INOUT. Database metadata describes database structure and result set metadata describes result columns.
The document discusses JDBC (Java Database Connectivity). It describes the key components of JDBC including the architecture with application and driver layers, the different types of drivers, and how to use the JDBC API to connect to a database and execute SQL statements. The steps to create a JDBC application are also outlined, such as loading a driver, connecting to the database, creating statements, and handling exceptions.
JDBC provides an API for accessing databases from Java that simplifies development, supports metadata access, and allows connection pooling. It includes interfaces for application writers and driver writers, with popular drivers available for databases like Oracle, MySQL, and SQL Server. JDBC drivers can be Type 1 (JDBC-ODBC bridge), Type 2 (partial JDBC), Type 3 (pure Java for middleware), or Type 4 (direct connection).
The document provides an overview of key concepts in using the PreparedStatement object in JDBC, including querying and modifying data, methods, retrieving and inserting rows, updating and deleting rows, managing transactions, batch updates, stored procedures, and metadata. Specifically, it discusses how to create PreparedStatements, set parameters, execute queries and updates, manage transactions, perform batch operations, call stored procedures, and retrieve metadata about the database and result sets.
Introduction to JDBC and database access in web applicationsFulvio Corno
Introduction to the JDBC standard and best practices for database access from Web Applications.
Materiale realizzato per il corso di Sistemi Informativi Aziendali del Politecnico di Torino - http://bit.ly/sistinfo
Jdbc example program with access and MySqlkamal kotecha
The document provides examples of using JDBC to connect to and interact with Microsoft Access and MySQL databases. It includes steps to create databases and tables in Access and MySQL, as well as code samples demonstrating how to connect to the databases using JDBC, execute queries using Statement and PreparedStatement, and retrieve and display result sets. Key aspects like loading the appropriate JDBC driver and connection strings for different databases are also explained.
This document provides an overview of connecting to and interacting with databases using JDBC. It begins with database basics, explaining concepts like tables, records, queries, and SQL. It then covers connecting to a database with JDBC, including registering drivers and obtaining a connection. Finally, it discusses querying and manipulating databases with JDBC through executing SQL statements and processing result sets. Examples are provided to demonstrate selecting, updating, and inserting data into databases using JDBC.
This document discusses using JDBC to access databases from Java applications like JSP pages. It covers loading the appropriate JDBC driver, establishing a connection with the database using a connection URL, executing SQL statements using Statement objects to retrieve and process result sets, and closing the connection when done. The core steps are to load the driver, get a connection, create statements, execute queries/updates, process results, and close the connection.
The document discusses Java Database Connectivity (JDBC) and how it allows Java code to execute SQL statements inside relational databases. It covers the JDBC API and how it provides a standard interface to different databases. It also discusses the JDBC-ODBC bridge which allows Java code to access databases via ODBC. The document provides an example of JDBC code to connect to a database, execute a query, and access the result set. It discusses using connection pooling and JNDI lookups in J2EE applications to connect to databases.
The document discusses Java Database Connectivity (JDBC) which allows Java applications to connect to databases. It describes the JDBC architecture including drivers, loading drivers, connecting to databases, executing queries and updates using Statement and PreparedStatement objects, processing result sets, and handling exceptions. It also covers transactions, result set metadata, and cleaning up resources.
This document discusses Java Database Connectivity (JDBC) which provides a standard interface for connecting Java applications to various databases. It describes the JDBC API and architecture, including the four types of JDBC drivers. The key points are:
1) JDBC provides a standard way for Java programs to access any SQL database. It uses JDBC drivers implemented by database vendors to translate JDBC calls into database-specific protocols.
2) The JDBC API has two layers - an application layer used by developers, and a driver layer implemented by vendors. There are four main interfaces (Driver, Connection, Statement, ResultSet) and the DriverManager class.
3) There are
There are 4 types of JDBC drivers. Database connections can be obtained using the DriverManager or a DataSource. Statements are used to execute SQL queries and updates. PreparedStatements are useful for executing the same statement multiple times with different parameter values. Joins allow querying data from multiple tables.
JDBC (Java Database Connectivity) is an API that provides Java programs with the ability to connect to and interact with databases. It allows database-independent access to different database management systems (DBMS) using Java programming language. JDBC drivers are used to connect to databases and come in four types depending on how they interface with the database. The basic steps to use JDBC include registering a driver, connecting to the database, executing SQL statements, handling results, and closing the connection. Scrollable result sets and prepared statements are also introduced as advanced JDBC features.
JDBC allows Java programs to connect to databases in a standard way. It provides cross-vendor connectivity and data access across relational databases. The key classes and interfaces in JDBC establish database connections, send SQL statements, and process query results. To use JDBC, a program first loads the appropriate driver, gets a connection, creates statements to execute queries and updates, processes the results, and closes the connection. This allows Java applications to access databases in a uniform manner independent of the underlying database.
JUG Berlin Brandenburg: What's new in Java EE 7?gedoplan
Java EE 7 includes many new features and specifications such as JSF 2.2 with new functionality like faces flows, resource library contracts, and HTML 5 friendly markup. JPA 2.1 adds features like converters, enhanced JPQL and criteria queries, CDI injection in entity listeners, and entity graphs. CDI 1.1 enhances bean discovery and enables interceptors, decorators, and alternatives globally with priorities. Other additions are JSON support and client APIs in JAX-RS, and concurrency utilities, batch processing, and WebSockets. GlassFish 4 and WildFly 8 are reference platforms that implement the new Java EE 7 specifications.
JDBC provides a standard interface for connecting to and interacting with relational databases in Java. It uses drivers specific to each database vendor to translate JDBC calls to calls native to that database. The key components of JDBC include the DriverManager for loading drivers, Connection for establishing a connection, Statement for executing SQL queries, and ResultSet for accessing the results.
JDBC (Java Database Connectivity) is a Java API that allows Java programs to connect to and interact with relational databases. There are four types of JDBC drivers: JDBC-ODBC bridge drivers, native-API drivers, network-protocol drivers, and database-protocol drivers. The key steps in using JDBC include: 1) loading the appropriate JDBC driver, 2) establishing a connection to the database, 3) creating statement objects to execute queries and updates, 4) executing the statements, 5) processing result sets, and 6) closing all open resources.
The document discusses various SQL Server concepts and features including:
1) Encrypted stored procedures, linked servers, Analysis Services features like OLAP and data mining models.
2) The Analysis Services repository stores metadata for cubes and data sources. SQL Service Broker allows asynchronous messaging between databases.
3) User-defined data types are based on system types and ensure columns store the same type of data. Data types like bit store 0, 1, or null values.
The document discusses the Java Database Connectivity (JDBC) API, which allows Java programs to connect to databases. It describes the basic steps to connect to a database, execute SQL statements, and retrieve and process result sets. It also covers transaction handling, metadata retrieval, and scrollable/updatable result sets.
This document provides an overview of using JDBC (Java Database Connectivity) to connect Java applications to relational databases. It discusses downloading and configuring the JDBC driver, executing SQL statements to query and manipulate data, processing result sets, and properly closing connections. Transactions are also introduced to group statements and ensure all succeed or fail together.
The document discusses several JDBC APIs used for connecting Java applications to databases. The Connection interface is used to create a connection to a database and execute SQL statements. The Statement interface executes static SQL queries and retrieves results. The PreparedStatement interface executes dynamic queries with IN parameters by using placeholder values set using methods like setInt() and setString(). Examples of using these interfaces will be provided in subsequent chapters.
JDBC drivers implement interfaces to interact with databases. There are 4 types of JDBC drivers: Type 1 is for development/testing; Type 2 is used if Types 3/4 aren't available; Type 3 supports multiple databases; Type 4 is preferred for a single database. Creating a JDBC application involves: importing packages, registering the driver, opening a connection, executing queries, extracting result sets, and closing resources.
Sun Microsystems introduced the JDBC driver and API in 1996 to allow Java programmers to interact with databases. The JDBC driver translates messages between the Java application and database using a specified protocol. There are four main types of JDBC drivers: Type 1 translates to ODBC, Type 2 uses native database APIs, Type 3 is all Java and uses a middleware server, and Type 4 also uses a proprietary protocol but is all Java. The basic JDBC process involves loading the driver, connecting to the database, executing SQL statements, processing result sets, and closing the connection.
JDBC (Java Database Connectivity) provides Java applications with access to most database systems via SQL. It defines a standard API for accessing databases in Java. The key classes and interfaces in JDBC include DriverManager, Connection, Statement, PreparedStatement, ResultSet, and DatabaseMetaData. JDBC applications use the DriverManager to obtain a Connection to a database, then execute SQL statements using Statement or PreparedStatement objects to return ResultSet objects containing query results.
The document discusses the ResultSet interface in Java. It provides details on:
1) ResultSet objects represent query results from a database and implement the ResultSet interface. They can be scrollable or non-scrollable.
2) Non-scrollable result sets only allow sequential forward access to records while scrollable result sets allow random, bidirectional access.
3) The ResultSet interface defines methods like getString(), getInt() and getDouble() to retrieve column values from the current row.
The document provides information on working with joins, the JDBC API, and isolation levels in Java database applications. It discusses different types of joins like inner joins, cross joins, and outer joins. It describes the key interfaces in the JDBC API like Statement, PreparedStatement, ResultSet, Connection, and DatabaseMetaData. It also covers isolation levels and how they prevent issues with concurrently running transactions accessing a database.
This document discusses using JDBC to access databases from Java applications like JSP pages. It covers loading the appropriate JDBC driver, establishing a connection with the database using a connection URL, executing SQL statements using Statement objects to retrieve and process result sets, and closing the connection when done. The core steps are to load the driver, get a connection, create statements, execute queries/updates, process results, and close the connection.
The document discusses Java Database Connectivity (JDBC) and how it allows Java code to execute SQL statements inside relational databases. It covers the JDBC API and how it provides a standard interface to different databases. It also discusses the JDBC-ODBC bridge which allows Java code to access databases via ODBC. The document provides an example of JDBC code to connect to a database, execute a query, and access the result set. It discusses using connection pooling and JNDI lookups in J2EE applications to connect to databases.
The document discusses Java Database Connectivity (JDBC) which allows Java applications to connect to databases. It describes the JDBC architecture including drivers, loading drivers, connecting to databases, executing queries and updates using Statement and PreparedStatement objects, processing result sets, and handling exceptions. It also covers transactions, result set metadata, and cleaning up resources.
This document discusses Java Database Connectivity (JDBC) which provides a standard interface for connecting Java applications to various databases. It describes the JDBC API and architecture, including the four types of JDBC drivers. The key points are:
1) JDBC provides a standard way for Java programs to access any SQL database. It uses JDBC drivers implemented by database vendors to translate JDBC calls into database-specific protocols.
2) The JDBC API has two layers - an application layer used by developers, and a driver layer implemented by vendors. There are four main interfaces (Driver, Connection, Statement, ResultSet) and the DriverManager class.
3) There are
There are 4 types of JDBC drivers. Database connections can be obtained using the DriverManager or a DataSource. Statements are used to execute SQL queries and updates. PreparedStatements are useful for executing the same statement multiple times with different parameter values. Joins allow querying data from multiple tables.
JDBC (Java Database Connectivity) is an API that provides Java programs with the ability to connect to and interact with databases. It allows database-independent access to different database management systems (DBMS) using Java programming language. JDBC drivers are used to connect to databases and come in four types depending on how they interface with the database. The basic steps to use JDBC include registering a driver, connecting to the database, executing SQL statements, handling results, and closing the connection. Scrollable result sets and prepared statements are also introduced as advanced JDBC features.
JDBC allows Java programs to connect to databases in a standard way. It provides cross-vendor connectivity and data access across relational databases. The key classes and interfaces in JDBC establish database connections, send SQL statements, and process query results. To use JDBC, a program first loads the appropriate driver, gets a connection, creates statements to execute queries and updates, processes the results, and closes the connection. This allows Java applications to access databases in a uniform manner independent of the underlying database.
JUG Berlin Brandenburg: What's new in Java EE 7?gedoplan
Java EE 7 includes many new features and specifications such as JSF 2.2 with new functionality like faces flows, resource library contracts, and HTML 5 friendly markup. JPA 2.1 adds features like converters, enhanced JPQL and criteria queries, CDI injection in entity listeners, and entity graphs. CDI 1.1 enhances bean discovery and enables interceptors, decorators, and alternatives globally with priorities. Other additions are JSON support and client APIs in JAX-RS, and concurrency utilities, batch processing, and WebSockets. GlassFish 4 and WildFly 8 are reference platforms that implement the new Java EE 7 specifications.
JDBC provides a standard interface for connecting to and interacting with relational databases in Java. It uses drivers specific to each database vendor to translate JDBC calls to calls native to that database. The key components of JDBC include the DriverManager for loading drivers, Connection for establishing a connection, Statement for executing SQL queries, and ResultSet for accessing the results.
JDBC (Java Database Connectivity) is a Java API that allows Java programs to connect to and interact with relational databases. There are four types of JDBC drivers: JDBC-ODBC bridge drivers, native-API drivers, network-protocol drivers, and database-protocol drivers. The key steps in using JDBC include: 1) loading the appropriate JDBC driver, 2) establishing a connection to the database, 3) creating statement objects to execute queries and updates, 4) executing the statements, 5) processing result sets, and 6) closing all open resources.
The document discusses various SQL Server concepts and features including:
1) Encrypted stored procedures, linked servers, Analysis Services features like OLAP and data mining models.
2) The Analysis Services repository stores metadata for cubes and data sources. SQL Service Broker allows asynchronous messaging between databases.
3) User-defined data types are based on system types and ensure columns store the same type of data. Data types like bit store 0, 1, or null values.
The document discusses the Java Database Connectivity (JDBC) API, which allows Java programs to connect to databases. It describes the basic steps to connect to a database, execute SQL statements, and retrieve and process result sets. It also covers transaction handling, metadata retrieval, and scrollable/updatable result sets.
This document provides an overview of using JDBC (Java Database Connectivity) to connect Java applications to relational databases. It discusses downloading and configuring the JDBC driver, executing SQL statements to query and manipulate data, processing result sets, and properly closing connections. Transactions are also introduced to group statements and ensure all succeed or fail together.
The document discusses several JDBC APIs used for connecting Java applications to databases. The Connection interface is used to create a connection to a database and execute SQL statements. The Statement interface executes static SQL queries and retrieves results. The PreparedStatement interface executes dynamic queries with IN parameters by using placeholder values set using methods like setInt() and setString(). Examples of using these interfaces will be provided in subsequent chapters.
JDBC drivers implement interfaces to interact with databases. There are 4 types of JDBC drivers: Type 1 is for development/testing; Type 2 is used if Types 3/4 aren't available; Type 3 supports multiple databases; Type 4 is preferred for a single database. Creating a JDBC application involves: importing packages, registering the driver, opening a connection, executing queries, extracting result sets, and closing resources.
Sun Microsystems introduced the JDBC driver and API in 1996 to allow Java programmers to interact with databases. The JDBC driver translates messages between the Java application and database using a specified protocol. There are four main types of JDBC drivers: Type 1 translates to ODBC, Type 2 uses native database APIs, Type 3 is all Java and uses a middleware server, and Type 4 also uses a proprietary protocol but is all Java. The basic JDBC process involves loading the driver, connecting to the database, executing SQL statements, processing result sets, and closing the connection.
JDBC (Java Database Connectivity) provides Java applications with access to most database systems via SQL. It defines a standard API for accessing databases in Java. The key classes and interfaces in JDBC include DriverManager, Connection, Statement, PreparedStatement, ResultSet, and DatabaseMetaData. JDBC applications use the DriverManager to obtain a Connection to a database, then execute SQL statements using Statement or PreparedStatement objects to return ResultSet objects containing query results.
The document discusses the ResultSet interface in Java. It provides details on:
1) ResultSet objects represent query results from a database and implement the ResultSet interface. They can be scrollable or non-scrollable.
2) Non-scrollable result sets only allow sequential forward access to records while scrollable result sets allow random, bidirectional access.
3) The ResultSet interface defines methods like getString(), getInt() and getDouble() to retrieve column values from the current row.
The document provides information on working with joins, the JDBC API, and isolation levels in Java database applications. It discusses different types of joins like inner joins, cross joins, and outer joins. It describes the key interfaces in the JDBC API like Statement, PreparedStatement, ResultSet, Connection, and DatabaseMetaData. It also covers isolation levels and how they prevent issues with concurrently running transactions accessing a database.
The document provides an overview of key Java programming concepts including final classes and methods, enumerated types, static imports, abstract classes and interfaces, exceptions, assertions, and creating custom exceptions. It discusses how to use these concepts and includes code examples.
This document outlines a case study to design a new software system for Horizon Airways using object-oriented analysis and design with UML. Students will analyze the case study of Horizon Airways and create UML diagrams including a communication diagram, state machine diagram, activity diagram, component diagram, and deployment diagram to model the system.
1. The document describes an algorithm for deleting a node from a threaded binary tree.
2. It involves marking the left child of the header node as the current node, and the header node as the parent node.
3. It then repeats steps to traverse the tree and mark the current and parent nodes until it finds the node to delete or the current node becomes null.
1. The document discusses various topics related to Java applets including trusted and untrusted applets, drawing methods, setting text properties, the GridBag layout manager, and anonymous classes.
2. It provides details on the differences between trusted and untrusted applets and how to create a policy to make an applet trusted.
3. It also describes advanced drawing methods, how to set colors, fonts, and text properties in applets, and how to use the GridBag layout manager and anonymous classes.
The document discusses creating and using .NET components. It covers identifying different types of components, the life cycle of a component, implementing polymorphism in components, using COM components in .NET, declaring properties and methods for a component, referencing the component from a user interface, and the role of assemblies in .NET.
This document recaps key concepts from object-oriented methodology including polymorphism, inheritance, file input/output, data structures, and sorting. Specifically, it provides code snippets and questions about classes, destructors, merging arrays, operator overloading, inheritance hierarchies, file reading/writing using classes, linked list operations, postfix notation, queue types, and the steps for selection and merge sorts.
The document discusses object-oriented programming using C#. It covers implementing reading and writing text and binary files, the Windows file system, and exceptions. Key topics include using StreamReader/StreamWriter for text files, BinaryReader/BinaryWriter for binary files, and DirectoryInfo/FileInfo to work with directories and files. Exceptions occur when errors happen at runtime, and include syntax errors, runtime errors, and logical errors.
The course aims to provide you with an understanding of the fundamental concepts involved in object-oriented programming (object, class, protocol, hierarchy, inheritance, encapsulation, polymorphism and collaboration).
The programming language you will use is Java. However, the purpose of the course is not to teach you the minutiae of the Java language, but rather to teach you fundamental object-oriented programming concepts and skills that will be transferable to any object¬ oriented language
This document provides an overview of data models, including:
- Defining database management systems and their purpose in maintaining databases.
- Describing the two categories of data models: object-based logical models like the entity-relationship model, and record-based logical models including hierarchical, network, and relational models.
- Explaining key concepts of the entity-relationship model including entities, attributes, relationships, and relationship types.
- Introducing the relational database management system and how data is organized into tables with rows, columns, primary keys, and relationships defined by primary and foreign keys.
This document discusses measuring software projects and processes. It describes measuring a project using function points, which involves counting files, interfaces, inputs, outputs and inquiries. Calculating function points involves determining the unadjusted function point count and a value adjustment factor based on general system characteristics. The adjusted function point value provides an estimate of the size of the project.
This document discusses Java API for XML Registries (JAXR), the wscompile tool, web service security, and quality of service of web services. Specifically, it covers that JAXR provides a common interface for accessing different registries, the wscompile tool generates WSDL and helper classes from a configuration file, web service security can be at the transport or message layer, and quality of service depends on factors like performance, reliability, and accessibility.
This session is all about - the mechanism provided by Java Virtual Machine to reclaim heap space from objects which are eligible for Garbage collection.
This document introduces hashing techniques. It discusses how hashing works by using a hashing function to convert a key into a location to retrieve a record. It describes common hashing techniques like hash indexes and hash tables. It also covers how collisions are handled using methods like rehashing and chaining. Finally, it provides an example to illustrate creating a hash table.
Understanding Java Garbage Collection - And What You Can Do About ItAzul Systems Inc.
Garbage collection is an integral but often misunderstood part of application behavior on Java platforms. As such, it is important for Java developers to understand how collector mechanisms work. This presentation reviews and classifies the major garbage collectors available in JVMs today. Following an overview of common garbage collection techniques such as generational, parallel, stop-the-world, incremental, and concurrent algorithms, it defines terms and metrics common to all collectors. It also discusses trade-offs in balancing requirements for responsiveness, throughput, space, and available memory and covers some pitfalls, common misconceptions, and garbage collection behavior myths.
This document introduces object-oriented programming. It compares procedural programming with OOP, noting that OOP models real-world problems more accurately. It identifies advantages of OOP like reusability, modularity, and information hiding. The document also discusses classes and objects as the basic building blocks of OOP and provides examples of applications like games and CAD/CAM that benefit from OOP.
The document discusses in-built functions in C++, command line parameters, and function pointers. It provides examples of commonly used string functions like strcpy, strcat, and strlen as well as numeric functions like abs, ceil, and sqrt. It explains that command line parameters allow passing values to programs during execution and are accessed through argc and argv. Function pointers are variables that store the address of a function and can be initialized with a function name.
Here are the answers to the self-check:
I. V 1.) Salary
I 2.) $dollar
V 3.) _main
I 4.) const
V 5.) previous year
I 6.) yahoo!
I 7.) else
V 8.) Float
I 9.) <date>
V 10.) 2_Version
II. I 1.) System.out.print(“Ingat ka!”, V);
C 2.) boolean B
The document introduces JDBC and its key concepts. It discusses the JDBC architecture with two layers - the application layer and driver layer. It describes the four types of JDBC drivers and how they work. The document outlines the classes and interfaces that make up the JDBC API and the basic steps to create a JDBC application, including loading a driver, connecting to a database, executing statements, and handling exceptions. It provides examples of using JDBC to perform common database operations like querying, inserting, updating, and deleting data.
This document discusses Java Database Connectivity (JDBC) and its components. It describes the two-tier and three-tier JDBC architectures. It explains the JDBC API and its interfaces like Driver, Connection, Statement, and ResultSet. It discusses the different types of JDBC drivers and provides examples of using JDBC to connect to a database, create statements, execute queries, retrieve results, and insert data using prepared statements.
This document discusses Java Database Connectivity (JDBC) and its components. It describes the two-tier and three-tier JDBC architectures. It explains the JDBC API and interfaces like Driver, Connection, Statement, and ResultSet. It also discusses the different types of JDBC drivers and provides code examples to connect to a database and execute queries using JDBC.
This document discusses Java Database Connectivity (JDBC) and its components. It describes the two-tier and three-tier JDBC architectures and the roles of the JDBC driver, connection, statement, and result set. It also covers the java.sql package, JDBC drivers, and steps for connecting to a database and executing queries using JDBC.
This document discusses Java Database Connectivity (JDBC) and its components. It describes the two-tier and three-tier JDBC architectures and the roles of the JDBC driver, connection, statement, and result set. It also covers the different types of JDBC drivers and provides code examples to demonstrate how to connect to a database and execute queries using JDBC.
The document provides an overview of J2EE (Java 2 Enterprise Edition) and its core technologies including JDBC, Servlets, JSP, EJB, and RMI. It then discusses JDBC in more detail, explaining the JDBC architecture, drivers, and basic steps to access a database using JDBC including loading drivers, connecting, executing statements, processing results, and closing connections. It also covers PreparedStatement and CallableStatement objects.
The document discusses Java Database Connectivity (JDBC) and provides details on connecting to a database from a Java program. It covers:
1. What JDBC is and its architecture, including key interfaces like Connection, Statement, and ResultSet.
2. The steps to connect to a database using JDBC: loading the driver, defining the connection URL, establishing a connection, creating a Statement, executing queries, processing results, and closing the connection.
3. The different types of JDBC drivers and Statements that can be used.
Java applications cannot directly communicate with a database to submit data and retrieve the results of queries.
This is because a database can interpret only SQL statements and not Java language statements.
For this reason, you need a mechanism to translate Java statements into SQL statements.
The JDBC architecture provides the mechanism for this kind of translation.
The JDBC architecture can be classified into two layers :
JDBC application layer.
JDBC driver layer.
JDBC application layer : Signifies a Java application that uses the JDBC API to interact with the JDBC drivers. A JDBC driver is software that a Java application uses to access a database. The JDBC driver manager of JDBC API connects the Java application to the driver.
JDBC driver layer : Acts as an interface between a Java applications and a database. This layer contains a driver , such as a SQL server driver or an Oracle driver , which enables connectivity to a database.
A driver sends the request of a Java application to the database. After processing the request, the database sends the response back to the driver. The driver translates and sends the response to the JDBC API. The JDBC API forwards it to the Java application.
JDBC provides an API for connecting to and interacting with databases in Java. It defines interfaces and classes for establishing a connection with a database, issuing SQL statements, processing result sets, and handling exceptions. The key classes in JDBC include DriverManager, Connection, Statement, PreparedStatement, CallableStatement, and ResultSet. There are four types of JDBC drivers: Type 1 (JDBC-ODBC bridge), Type 2 (native API), Type 3 (network protocol), and Type 4 (native protocol). Connecting to a database in JDBC involves loading the driver, getting a connection, creating statements, executing queries, processing results, and closing the connection.
This document discusses JDBC (Java Database Connectivity), which provides an API for connecting Java applications to databases. It describes the JDBC architecture and driver types, including JDBC-ODBC bridge drivers, native-API drivers, network protocol drivers, and thin drivers. The document also outlines the steps for establishing a JDBC database connection, including loading the driver, creating a connection, preparing statements, executing queries, retrieving results, and closing the connection.
JDBC is a Java API that allows Java programs to connect to databases. It includes interfaces, classes, and drivers. The document discusses JDBC architecture and components like drivers, interfaces, and classes. It also explains the steps to connect to a database like MySQL using JDBC - registering the driver class, getting a connection, creating statements, executing queries, and closing the connection. Additional topics covered include prepared statements and result sets.
This document discusses Java Database Connectivity (JDBC) and its components. It begins with an introduction to JDBC, explaining that JDBC is a Java API that allows Java programs to execute SQL statements and interact with multiple database sources. It then discusses the four types of JDBC drivers - JDBC-ODBC bridge drivers, native-API partly Java drivers, network protocol all-Java drivers, and native protocol all-Java drivers - and their characteristics. The document proceeds to explain the standard seven steps to querying databases using JDBC: loading the driver, defining the connection URL, establishing the connection, creating a statement object, executing a query or update, processing results, and closing the connection.
The document discusses Java Database Connectivity (JDBC) API which defines how Java programs can communicate with databases. It describes key JDBC concepts like drivers, packages, and products. It also covers JDBC design considerations like different types of drivers and client-server models. Basic steps to use JDBC include loading drivers, establishing connections, executing statements, and closing connections.
The document discusses Java Database Connectivity (JDBC), which provides a standard interface for connecting to relational databases from Java applications. It describes the JDBC model and programming steps, which include loading a JDBC driver, connecting to a database, executing SQL statements via a Statement object, processing query results stored in a ResultSet, and closing connections. It also covers JDBC driver types, the roles of core classes like Connection and Statement, and transaction handling with JDBC.
JDBC (Java Database Connectivity) provides APIs for Java programs to connect to databases. There are four types of JDBC drivers: Type 1 uses JDBC-ODBC bridge, Type 2 uses a native API, Type 3 is pure Java using a network protocol, and Type 4 is also pure Java using a native database protocol.
To connect to a database using JDBC, a program loads the appropriate JDBC driver, gets a connection, creates statements to execute SQL queries and updates, processes the result set, and closes resources. Prepared statements can be used for repetitive queries to improve performance over regular statements. Overall, JDBC allows Java applications to connect to databases in a standardized way
The document provides an overview of JDBC (Java Database Connectivity), including its definition, architecture, types of drivers, API, and how to connect to databases and execute queries. JDBC provides a standard interface for Java programs to connect to databases and execute SQL statements. It uses drivers to translate JDBC calls into database-specific calls. There are four types of JDBC drivers. The document discusses loading drivers, obtaining connections, creating statements, executing queries, and handling results.
This document discusses Java Database Connectivity (JDBC) which provides Java applications with an API for accessing databases. It describes the four types of JDBC drivers: Type 1 uses JDBC-ODBC bridge, Type 2 uses native database APIs, Type 3 communicates through a middle-tier server, and Type 4 communicates directly via sockets. The document also outlines the basic steps to use JDBC for database connectivity including loading a driver, establishing a connection, creating statements, executing SQL, and processing result sets.
The document provides an introduction to using JDBC (Java Database Connectivity) to connect to and query databases. It outlines the key components of JDBC including drivers, the basic 7 steps to using JDBC (load driver, define connection URL, establish connection, create statement, execute query, process results, close connection), and examples of connecting to Oracle and Microsoft SQL Server databases and retrieving and displaying data from the result set.
This document discusses Java Database Connectivity (JDBC) and how to connect to a database using JDBC. It explains that JDBC provides interfaces and classes to connect to a database, execute SQL statements, retrieve result sets, and handle exceptions. It also outlines the six steps to create a JDBC application: import packages, register the driver, open a connection, execute queries, extract data from result sets, and clean up resources. The goal is to write a Java program that demonstrates basic database operations like insert, search, delete, and modify using JDBC.
The document discusses legacy connectivity and protocols. It describes legacy integration as integrating J2EE components with legacy systems. The key approaches to legacy integration are data level integration, application interface integration, method level integration, and user interface level integration. Legacy connectivity can be achieved using Java Native Interface (JNI), J2EE Connector Architecture, and web services. JNI allows Java code to call native methods written in other languages like C/C++. The J2EE Connector Architecture standardizes connectivity through resource adapters. Web services provide a platform-independent approach through XML protocols.
The document discusses messaging and internationalization. It covers messaging using Java Message Service (JMS), including the need for messaging, messaging architecture, types of messaging, messaging models, messaging servers, components of a JMS application, developing effective messaging solutions, and implementing JMS. It also discusses internationalizing J2EE applications.
The document discusses Java 2 Enterprise Edition (J2EE) application security. It covers security threat assessment, the Java 2 security model, and Java security APIs. The Java 2 security model provides access controls and allows downloading and running applications securely. It uses techniques like cryptography, digital signatures, and SSL. The Java Cryptography Extensions API provides methods for encrypting data, generating keys, and authentication.
The document discusses various security tools in Java including keytool, jarsigner, and policytool. Keytool is used to manage keystores containing private keys and certificates. It can generate key pairs, import/export certificates, and list keystore contents. Jarsigner signs JAR files using certificates from a keystore. Policytool creates and edits security policy files specifying user permissions. The document provides details on using each tool's commands and options.
This document discusses EJB technology and provides summaries of key concepts:
1. It defines the EJB container model and describes features like security, distributed access, and lifecycle management.
2. It compares the lifecycles of stateless session beans, stateful session beans, entity beans, and message-driven beans.
3. It contrasts stateful and stateless session beans and discusses differences in client state, pooling, lifecycles, and more. It also compares session beans and entity beans in terms of representing processes versus data.
This document discusses behavioral design patterns and J2EE design patterns. It provides descriptions and class diagrams for several behavioral patterns, including Iterator, Mediator, Memento, Observer, State, Strategy, Template Method, and Visitor. It also defines what a J2EE design pattern is and notes that J2EE patterns are categorized into the presentation, business, and integration tiers of an enterprise application.
This document provides an overview of EJB in J2EE architecture and EJB design patterns. It discusses the key characteristics of using EJB in J2EE architecture, including supporting multiple clients, improving reliability and productivity, supporting large scale deployment, developing transactional applications, and implementing security. It also outlines several EJB design patterns, such as client-side interaction patterns, EJB layer architectural patterns, inter-tier data transfer patterns, and transaction/persistence patterns.
This document discusses design patterns and provides examples of structural and behavioral design patterns. It describes the adapter, bridge, composite, decorator, facade, flyweight, proxy, chain of responsibility, and command patterns. Structural patterns are concerned with relationships and responsibilities between objects, while behavioral patterns focus on communication between objects. Examples of UML diagrams are provided to illustrate how each pattern can be modeled.
The document discusses UML diagrams that can be used to model J2EE applications, including use case diagrams, class diagrams, package diagrams, sequence diagrams, collaboration diagrams, state diagrams, activity diagrams, component diagrams, and deployment diagrams. It provides examples of each diagram type using a case study of an online bookstore system. The use case diagram shows use cases and actors, the class diagram shows classes and relationships, and other diagrams demonstrate how specific interactions, workflows, and system configurations can be modeled through different UML diagrams.
This document discusses design patterns and selecting appropriate patterns based on business requirements. It provides an overview of design patterns available in TheServerSide.com pattern catalog, which are organized into categories like EJB layer architectural patterns, inter-tier data transfer patterns, transaction and persistence patterns, and client-side EJB interaction patterns. Examples of patterns in each category are described. Best practices for developing class diagrams and using proven design patterns are also mentioned.
This document provides an overview of J2EE architecture. It defines architecture as the study of designing J2EE applications and discusses architectural concepts like attributes, models, and terminology. It describes the role of an architect and phases of architectural design. The document outlines the various components of J2EE like clients, web components, business components and containers. It also discusses key aspects of J2EE architecture like application areas, issues, technologies and available application servers.
The document discusses various topics related to collaboration and distributed systems including network communication in distributed environments, application integration using XML, and legacy integration technologies. Specifically, it covers factors that affect network performance like bandwidth and latency. It also describes using XML for data mapping between applications and data stores. Finally, it discusses different legacy integration methods like screen scraping, object mapping tools, and using off-board servers.
The document discusses JavaBean properties, property editors, and the classes used to implement them in Java. It describes the PropertyEditorSupport class and its methods for creating customized property editors. The PropertyDescriptor class and BeanInfo interface provide information about JavaBean properties, events, and methods. The document also provides tips on using sample JavaBeans from BDK1.1 in Java 2 SDK and creating a manifest file for multiple JavaBeans. Common questions about JavaBeans are answered.
The document discusses JavaBean properties and custom events. It defines different types of JavaBean properties like simple, boolean, indexed, bound, and constrained properties. It also explains how to create custom events by defining an event class, event listener interface, and event handler. The event handler notifies listeners when an event occurs. Finally, it demonstrates creating a login JavaBean that uses a custom event to validate that a username and password are not the same.
The document introduces JavaBeans, which are reusable software components created using Java. It discusses JavaBean concepts like properties, methods, and events. It also describes the Beans Development Kit (BDK) environment for creating, configuring, and testing JavaBeans. BDK includes components like the ToolBox, BeanBox, Properties window, and Method Tracer window. The document provides demonstrations of creating a sample JavaBean applet and user-defined JavaBean using BDK. It also covers topics like creating manifest and JAR files for packaging JavaBeans.
The document discusses various advanced features of JDBC including using prepared statements, managing transactions, performing batch updates, and calling stored procedures. Prepared statements improve performance by compiling SQL statements only once. Transactions allow grouping statements to execute atomically through commit and rollback. Batch updates reduce network calls by executing multiple statements as a single unit. Stored procedures are called using a CallableStatement object which can accept input parameters and return output parameters.
The document discusses classes and objects in Java, including defining classes with data members and methods, creating objects, using constructors, and the structure of a Java application. It also covers access specifiers, modifiers, compiling Java files, and provides a summary of key points about classes and objects in Java.
The document discusses casting and conversion in Java. It covers implicit and explicit type conversions, including widening, narrowing, and casting conversions. It also discusses overloading constructors in Java by defining multiple constructor methods with the same name but different parameters. The document provides examples of casting integer and double values to byte type, as well as overloading the Cuboid constructor to calculate volumes for rectangles and squares.
The document discusses operators in Java, including unary, binary, arithmetic, bitwise, shift, and instanceof operators. It provides examples of how to use various operators like increment, decrement, arithmetic assignment, bitwise AND, OR, NOT, XOR, right shift, left shift, and unsigned shift. It also covers operator precedence and demonstrates how operators in an expression are evaluated based on their predetermined precedence order.
The document discusses various Java programming constructs including conditional statements, looping statements, methods, and parameters. It provides examples of if-else statements, switch-case statements, for, while, and do-while loops. It also explains how to define parameterized methods, pass arguments to methods, and define methods that return values.
What is an RPA CoE? Session 1 – CoE VisionDianaGray10
In the first session, we will review the organization's vision and how this has an impact on the COE Structure.
Topics covered:
• The role of a steering committee
• How do the organization’s priorities determine CoE Structure?
Speaker:
Chris Bolin, Senior Intelligent Automation Architect Anika Systems
How to Interpret Trends in the Kalyan Rajdhani Mix Chart.pdfChart Kalyan
A Mix Chart displays historical data of numbers in a graphical or tabular form. The Kalyan Rajdhani Mix Chart specifically shows the results of a sequence of numbers over different periods.
Dandelion Hashtable: beyond billion requests per second on a commodity serverAntonios Katsarakis
This slide deck presents DLHT, a concurrent in-memory hashtable. Despite efforts to optimize hashtables, that go as far as sacrificing core functionality, state-of-the-art designs still incur multiple memory accesses per request and block request processing in three cases. First, most hashtables block while waiting for data to be retrieved from memory. Second, open-addressing designs, which represent the current state-of-the-art, either cannot free index slots on deletes or must block all requests to do so. Third, index resizes block every request until all objects are copied to the new index. Defying folklore wisdom, DLHT forgoes open-addressing and adopts a fully-featured and memory-aware closed-addressing design based on bounded cache-line-chaining. This design offers lock-free index operations and deletes that free slots instantly, (2) completes most requests with a single memory access, (3) utilizes software prefetching to hide memory latencies, and (4) employs a novel non-blocking and parallel resizing. In a commodity server and a memory-resident workload, DLHT surpasses 1.6B requests per second and provides 3.5x (12x) the throughput of the state-of-the-art closed-addressing (open-addressing) resizable hashtable on Gets (Deletes).
Skybuffer SAM4U tool for SAP license adoptionTatiana Kojar
Manage and optimize your license adoption and consumption with SAM4U, an SAP free customer software asset management tool.
SAM4U, an SAP complimentary software asset management tool for customers, delivers a detailed and well-structured overview of license inventory and usage with a user-friendly interface. We offer a hosted, cost-effective, and performance-optimized SAM4U setup in the Skybuffer Cloud environment. You retain ownership of the system and data, while we manage the ABAP 7.58 infrastructure, ensuring fixed Total Cost of Ownership (TCO) and exceptional services through the SAP Fiori interface.
zkStudyClub - LatticeFold: A Lattice-based Folding Scheme and its Application...Alex Pruden
Folding is a recent technique for building efficient recursive SNARKs. Several elegant folding protocols have been proposed, such as Nova, Supernova, Hypernova, Protostar, and others. However, all of them rely on an additively homomorphic commitment scheme based on discrete log, and are therefore not post-quantum secure. In this work we present LatticeFold, the first lattice-based folding protocol based on the Module SIS problem. This folding protocol naturally leads to an efficient recursive lattice-based SNARK and an efficient PCD scheme. LatticeFold supports folding low-degree relations, such as R1CS, as well as high-degree relations, such as CCS. The key challenge is to construct a secure folding protocol that works with the Ajtai commitment scheme. The difficulty, is ensuring that extracted witnesses are low norm through many rounds of folding. We present a novel technique using the sumcheck protocol to ensure that extracted witnesses are always low norm no matter how many rounds of folding are used. Our evaluation of the final proof system suggests that it is as performant as Hypernova, while providing post-quantum security.
Paper Link: https://eprint.iacr.org/2024/257
Programming Foundation Models with DSPy - Meetup SlidesZilliz
Prompting language models is hard, while programming language models is easy. In this talk, I will discuss the state-of-the-art framework DSPy for programming foundation models with its powerful optimizers and runtime constraint system.
Connector Corner: Seamlessly power UiPath Apps, GenAI with prebuilt connectorsDianaGray10
Join us to learn how UiPath Apps can directly and easily interact with prebuilt connectors via Integration Service--including Salesforce, ServiceNow, Open GenAI, and more.
The best part is you can achieve this without building a custom workflow! Say goodbye to the hassle of using separate automations to call APIs. By seamlessly integrating within App Studio, you can now easily streamline your workflow, while gaining direct access to our Connector Catalog of popular applications.
We’ll discuss and demo the benefits of UiPath Apps and connectors including:
Creating a compelling user experience for any software, without the limitations of APIs.
Accelerating the app creation process, saving time and effort
Enjoying high-performance CRUD (create, read, update, delete) operations, for
seamless data management.
Speakers:
Russell Alfeche, Technology Leader, RPA at qBotic and UiPath MVP
Charlie Greenberg, host
Your One-Stop Shop for Python Success: Top 10 US Python Development Providersakankshawande
Simplify your search for a reliable Python development partner! This list presents the top 10 trusted US providers offering comprehensive Python development services, ensuring your project's success from conception to completion.
AppSec PNW: Android and iOS Application Security with MobSFAjin Abraham
Mobile Security Framework - MobSF is a free and open source automated mobile application security testing environment designed to help security engineers, researchers, developers, and penetration testers to identify security vulnerabilities, malicious behaviours and privacy concerns in mobile applications using static and dynamic analysis. It supports all the popular mobile application binaries and source code formats built for Android and iOS devices. In addition to automated security assessment, it also offers an interactive testing environment to build and execute scenario based test/fuzz cases against the application.
This talk covers:
Using MobSF for static analysis of mobile applications.
Interactive dynamic security assessment of Android and iOS applications.
Solving Mobile app CTF challenges.
Reverse engineering and runtime analysis of Mobile malware.
How to shift left and integrate MobSF/mobsfscan SAST and DAST in your build pipeline.
Monitoring and Managing Anomaly Detection on OpenShift.pdfTosin Akinosho
Monitoring and Managing Anomaly Detection on OpenShift
Overview
Dive into the world of anomaly detection on edge devices with our comprehensive hands-on tutorial. This SlideShare presentation will guide you through the entire process, from data collection and model training to edge deployment and real-time monitoring. Perfect for those looking to implement robust anomaly detection systems on resource-constrained IoT/edge devices.
Key Topics Covered
1. Introduction to Anomaly Detection
- Understand the fundamentals of anomaly detection and its importance in identifying unusual behavior or failures in systems.
2. Understanding Edge (IoT)
- Learn about edge computing and IoT, and how they enable real-time data processing and decision-making at the source.
3. What is ArgoCD?
- Discover ArgoCD, a declarative, GitOps continuous delivery tool for Kubernetes, and its role in deploying applications on edge devices.
4. Deployment Using ArgoCD for Edge Devices
- Step-by-step guide on deploying anomaly detection models on edge devices using ArgoCD.
5. Introduction to Apache Kafka and S3
- Explore Apache Kafka for real-time data streaming and Amazon S3 for scalable storage solutions.
6. Viewing Kafka Messages in the Data Lake
- Learn how to view and analyze Kafka messages stored in a data lake for better insights.
7. What is Prometheus?
- Get to know Prometheus, an open-source monitoring and alerting toolkit, and its application in monitoring edge devices.
8. Monitoring Application Metrics with Prometheus
- Detailed instructions on setting up Prometheus to monitor the performance and health of your anomaly detection system.
9. What is Camel K?
- Introduction to Camel K, a lightweight integration framework built on Apache Camel, designed for Kubernetes.
10. Configuring Camel K Integrations for Data Pipelines
- Learn how to configure Camel K for seamless data pipeline integrations in your anomaly detection workflow.
11. What is a Jupyter Notebook?
- Overview of Jupyter Notebooks, an open-source web application for creating and sharing documents with live code, equations, visualizations, and narrative text.
12. Jupyter Notebooks with Code Examples
- Hands-on examples and code snippets in Jupyter Notebooks to help you implement and test anomaly detection models.
Essentials of Automations: Exploring Attributes & Automation ParametersSafe Software
Building automations in FME Flow can save time, money, and help businesses scale by eliminating data silos and providing data to stakeholders in real-time. One essential component to orchestrating complex automations is the use of attributes & automation parameters (both formerly known as “keys”). In fact, it’s unlikely you’ll ever build an Automation without using these components, but what exactly are they?
Attributes & automation parameters enable the automation author to pass data values from one automation component to the next. During this webinar, our FME Flow Specialists will cover leveraging the three types of these output attributes & parameters in FME Flow: Event, Custom, and Automation. As a bonus, they’ll also be making use of the Split-Merge Block functionality.
You’ll leave this webinar with a better understanding of how to maximize the potential of automations by making use of attributes & automation parameters, with the ultimate goal of setting your enterprise integration workflows up on autopilot.
Discover top-tier mobile app development services, offering innovative solutions for iOS and Android. Enhance your business with custom, user-friendly mobile applications.
Freshworks Rethinks NoSQL for Rapid Scaling & Cost-EfficiencyScyllaDB
Freshworks creates AI-boosted business software that helps employees work more efficiently and effectively. Managing data across multiple RDBMS and NoSQL databases was already a challenge at their current scale. To prepare for 10X growth, they knew it was time to rethink their database strategy. Learn how they architected a solution that would simplify scaling while keeping costs under control.
5th LF Energy Power Grid Model Meet-up SlidesDanBrown980551
5th Power Grid Model Meet-up
It is with great pleasure that we extend to you an invitation to the 5th Power Grid Model Meet-up, scheduled for 6th June 2024. This event will adopt a hybrid format, allowing participants to join us either through an online Mircosoft Teams session or in person at TU/e located at Den Dolech 2, Eindhoven, Netherlands. The meet-up will be hosted by Eindhoven University of Technology (TU/e), a research university specializing in engineering science & technology.
Power Grid Model
The global energy transition is placing new and unprecedented demands on Distribution System Operators (DSOs). Alongside upgrades to grid capacity, processes such as digitization, capacity optimization, and congestion management are becoming vital for delivering reliable services.
Power Grid Model is an open source project from Linux Foundation Energy and provides a calculation engine that is increasingly essential for DSOs. It offers a standards-based foundation enabling real-time power systems analysis, simulations of electrical power grids, and sophisticated what-if analysis. In addition, it enables in-depth studies and analysis of the electrical power grid’s behavior and performance. This comprehensive model incorporates essential factors such as power generation capacity, electrical losses, voltage levels, power flows, and system stability.
Power Grid Model is currently being applied in a wide variety of use cases, including grid planning, expansion, reliability, and congestion studies. It can also help in analyzing the impact of renewable energy integration, assessing the effects of disturbances or faults, and developing strategies for grid control and optimization.
What to expect
For the upcoming meetup we are organizing, we have an exciting lineup of activities planned:
-Insightful presentations covering two practical applications of the Power Grid Model.
-An update on the latest advancements in Power Grid -Model technology during the first and second quarters of 2024.
-An interactive brainstorming session to discuss and propose new feature requests.
-An opportunity to connect with fellow Power Grid Model enthusiasts and users.
Main news related to the CCS TSI 2023 (2023/1695)Jakub Marek
An English 🇬🇧 translation of a presentation to the speech I gave about the main changes brought by CCS TSI 2023 at the biggest Czech conference on Communications and signalling systems on Railways, which was held in Clarion Hotel Olomouc from 7th to 9th November 2023 (konferenceszt.cz). Attended by around 500 participants and 200 on-line followers.
The original Czech 🇨🇿 version of the presentation can be found here: https://www.slideshare.net/slideshow/hlavni-novinky-souvisejici-s-ccs-tsi-2023-2023-1695/269688092 .
The videorecording (in Czech) from the presentation is available here: https://youtu.be/WzjJWm4IyPk?si=SImb06tuXGb30BEH .
Driving Business Innovation: Latest Generative AI Advancements & Success StorySafe Software
Are you ready to revolutionize how you handle data? Join us for a webinar where we’ll bring you up to speed with the latest advancements in Generative AI technology and discover how leveraging FME with tools from giants like Google Gemini, Amazon, and Microsoft OpenAI can supercharge your workflow efficiency.
During the hour, we’ll take you through:
Guest Speaker Segment with Hannah Barrington: Dive into the world of dynamic real estate marketing with Hannah, the Marketing Manager at Workspace Group. Hear firsthand how their team generates engaging descriptions for thousands of office units by integrating diverse data sources—from PDF floorplans to web pages—using FME transformers, like OpenAIVisionConnector and AnthropicVisionConnector. This use case will show you how GenAI can streamline content creation for marketing across the board.
Ollama Use Case: Learn how Scenario Specialist Dmitri Bagh has utilized Ollama within FME to input data, create custom models, and enhance security protocols. This segment will include demos to illustrate the full capabilities of FME in AI-driven processes.
Custom AI Models: Discover how to leverage FME to build personalized AI models using your data. Whether it’s populating a model with local data for added security or integrating public AI tools, find out how FME facilitates a versatile and secure approach to AI.
We’ll wrap up with a live Q&A session where you can engage with our experts on your specific use cases, and learn more about optimizing your data workflows with AI.
This webinar is ideal for professionals seeking to harness the power of AI within their data management systems while ensuring high levels of customization and security. Whether you're a novice or an expert, gain actionable insights and strategies to elevate your data processes. Join us to see how FME and AI can revolutionize how you work with data!
In the realm of cybersecurity, offensive security practices act as a critical shield. By simulating real-world attacks in a controlled environment, these techniques expose vulnerabilities before malicious actors can exploit them. This proactive approach allows manufacturers to identify and fix weaknesses, significantly enhancing system security.
This presentation delves into the development of a system designed to mimic Galileo's Open Service signal using software-defined radio (SDR) technology. We'll begin with a foundational overview of both Global Navigation Satellite Systems (GNSS) and the intricacies of digital signal processing.
The presentation culminates in a live demonstration. We'll showcase the manipulation of Galileo's Open Service pilot signal, simulating an attack on various software and hardware systems. This practical demonstration serves to highlight the potential consequences of unaddressed vulnerabilities, emphasizing the importance of offensive security practices in safeguarding critical infrastructure.
1. JDBC
Objectives
• In this session, you will learn to:
Identify the layers in JDBC architecture
Identify the types of JDBC drivers
Use the classes and interfaces of JDBC application
programming interface
Understand and execute the steps to create JDBC applications
Ver. 1.0 Session 1 Slide 1 of 38
2. JDBC
Database Connectivity
Sun Microsystems has included JDBC API as a part of
J2SDK to develop Java applications that can communicate
with databases.
The following figure shows the Airline Reservation System
developed in Java interacting with the Airlines database
using the JDBC API.
Ver. 1.0 Session 1 Slide 2 of 38
3. JDBC
JDBC Architecture
JDBC architecture provides the mechanism to translate Java
statements into SQL statements.
It can be classified into two layers:
JDBC application layer
JDBC driver layer
Ver. 1.0 Session 1 Slide 3 of 38
4. JDBC
Just a minute
Identify the two layers of JDBC architecture.
Answer:
The two layers of JDBC architecture are:
1. JDBC application layer
2. JDBC driver layer
Ver. 1.0 Session 1 Slide 4 of 38
5. JDBC
JDBC Drivers
Convert SQL statements into a form that a particular database can
interpret.
Retrieve the result of SQL statements and convert the result into
equivalent JDBC API class objects.
Are of four types:
JDBC-ODBC Bridge driver
Native-API Partly-Java driver
JDBC-Net Pure-Java driver
Native Protocol Pure-Java driver
Ver. 1.0 Session 1 Slide 5 of 38
6. JDBC
The JDBC-ODBC Bridge Driver
The following figure displays a JDBC-ODBC Bridge Driver.
Ver. 1.0 Session 1 Slide 6 of 38
7. JDBC
The Native-API Partly-Java Driver
The following figure displays a Native-API Partly-Java
Driver.
Ver. 1.0 Session 1 Slide 7 of 38
8. JDBC
The JDBC-Net Pure-Java Driver
The following figure displays a JDBC-Net Pure-Java Driver.
Ver. 1.0 Session 1 Slide 8 of 38
9. JDBC
The Native-Protocol Pure-Java Driver
• The following figure displays a Native-Protocol Pure-Java
Driver.
Ver. 1.0 Session 1 Slide 9 of 38
10. JDBC
Using JDBC API
The JDBC API classes and interfaces are available in the
java.sql and the javax.sql packages.
The commonly used classes and interfaces in the JDBC
API are:
– DriverManager class: Loads the driver for a database.
– Driver interface: Represents a database driver. All JDBC
driver classes must implement the Driver interface.
– Connection interface: Enables you to establish a connection
between a Java application and a database.
– Statement interface: Enables you to execute SQL statements.
– ResultSet interface: Represents the information retrieved
from a database.
– SQLException class: Provides information about the
exceptions that occur while interacting with databases.
Ver. 1.0 Session 1 Slide 10 of 38
11. JDBC
Using JDBC API (Contd.)
Steps to create a JDBC application are:
Load a driver
Connect to a database
Create and execute JDBC statements
Handle SQL exceptions
Ver. 1.0 Session 1 Slide 11 of 38
12. JDBC
Loading a Driver
Driver can be loaded:
Programmatically:
• Using the forName() method
• Using the registerDriver()method
Manually:
By setting system property
Ver. 1.0 Session 1 Slide 12 of 38
13. JDBC
Loading a Driver (Contd.)
Using the forName() Method:
– The forName() method is available in the
java.lang.Class class.
– The forName() method loads the JDBC driver and registers
the driver with the driver manager.
– The method call to use the the forName() method is:
Class.forName("com.microsoft.sqlserver.jdbc.S
QLServerDriver");
Ver. 1.0 Session 1 Slide 13 of 38
14. JDBC
Loading a Driver (Contd.)
• Using the registerDriver() Method:
You can create an instance of the Driver class to load a JDBC
driver.
This instance enables you to provide the name of the driver
class at run time.
The statement to create an instance of the Driver class is:
Driver d = new
com.microsoft.sqlserver.jdbc.SQLServerDriver(
);
– You need to call the registerDriver() method to register
the Driver object with the DriverManager.
– The method call to register the Type 4 driver is:
DriverManager.registerDriver(d);
Ver. 1.0 Session 1 Slide 14 of 38
15. JDBC
Loading a Driver (Contd.)
Setting the System Property:
– Add the driver name to the jdbc.drivers system property to
load a JDBC driver.
– Use the –D command line option to set the system property on
the command line.
– The command to set the system property is:
java –Djdbc.drivers=
com.microsoft.sqlserver.jdbc.SQLServerDriver
SampleApplication
Ver. 1.0 Session 1 Slide 15 of 38
16. JDBC
Connecting to a Database
• The DriverManager class provides the getConnection()
method to create a Connection object.
• The getConnection() method method has the following three
forms:
Connection getConnection (String <url>)
Connection getConnection (String <url>, String
<username>, String <password>)
Connection getConnection (String <url>,
Properties <properties>)
Ver. 1.0 Session 1 Slide 16 of 38
17. JDBC
Creating and Executing JDBC Statements
JDBC Statements can be created and executed as follows:
– The Connection object provides the createStatement()
method to create a Statement object.
– You can use static SQL statements to send requests to a
database to retrieve results.
– The Statement interface contains the following methods to
send static SQL statements to a database:
ResultSet executeQuery(String str)
int executeUpdate(String str)
boolean execute(String str)
Ver. 1.0 Session 1 Slide 17 of 38
18. JDBC
Creating and Executing JDBC Statements (Contd.)
• Various database operations that you can perform using a
Java application are:
Querying a table
Inserting rows in a table
Updating rows in a table
Deleting rows from a table
Creating a table
Altering and dropping a table
Ver. 1.0 Session 1 Slide 18 of 38
19. JDBC
Creating and Executing JDBC Statements (Contd.)
Querying a table:
– The SELECT statement is executed using the
executeQuery() method and returns the output in the form
of a ResultSet object.
– The code snippet to retrieve data from the Authors table is:
String str = "SELECT * FROM Authors";
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery(str);
Ver. 1.0 Session 1 Slide 19 of 38
20. JDBC
Creating and Executing JDBC Statements (Contd.)
Inserting rows in a table:
– The executeUpdate() method enables you to add rows in a
table.
– The code snippet to insert a row in the Authors table is:
String str = " INSERT INTO Authors (au_id,
au_name, phone, address, city,
state, zip) VALUES (‘a004’, ‘Ringer
Albert’, ‘8018260752’, ‘ 67 Seventh Av.’,
‘Salt Lake City’, ‘UT’, ’100000078’)";
Statement stmt = con.createStatement();
int count = stmt.executeUpdate(str);
Ver. 1.0 Session 1 Slide 20 of 38
21. JDBC
Creating and Executing JDBC Statements (Contd.)
Updating and Deleting rows in a table:
The code snippet to modify a row from the Authors table is:
String str = "UPDATE Authors SET
address='10932 Second Av.’ WHERE
au_id=‘a001’";
Statement stmt = con.createStatement();
int count = stmt.executeUpdate(str);
The code snippet to delete a row from the Authors table is:
String str = "DELETE FROM Authors WHERE
au_id=‘a005’";
Statement stmt = con.createStatement();
int count = stmt.executeUpdate(str);
Ver. 1.0 Session 1 Slide 21 of 38
22. JDBC
Creating and Executing JDBC Statements (Contd.)
Creating a table:
– The CREATE TABLE statement is used to create and define
the structure of a table in a database.
– The code snippet to create a table is:
String str="CREATE TABLE Publishers"
+"(pub_id VARCHAR(5),"
+"pub_name VARCHAR(50),"
+"phone INTEGER,"
+"address VARCHAR(50), "
+"city VARCHAR(50), "
+"ZIP VARCHAR(20))";
Statement stmt=con.createStatement();
stmt.execute(str);
Ver. 1.0 Session 1 Slide 22 of 38
23. JDBC
Creating and Executing JDBC Statements (Contd.)
Altering and Dropping a table:
– DDL provides the ALTER statement to modify the definition of
database object.
– The code snippet to add a column to the Books table is:
String str="ALTER TABLE Books “+"ADD price
INTEGER";
Statement stmt=con.createStatement();
stmt.execute(str);
– DDL provides the DROP TABLE statement to drop a table from
a database.
– The code snippet to drop the Books table from a database is:
String str="DROP TABLE Books";
Statement stmt=con.createStatement();
stmt.execute(str);
Ver. 1.0 Session 1 Slide 23 of 38
24. JDBC
Handling SQL Exceptions
SQL Exceptions can be handled as follows:
– The java.sql package provides the SQLException class,
which is derived from the java.lang.Exception class.
– You can catch the SQLException in a Java application using
the try and catch exception handling block.
– The SQLException class contains various methods that
provide error information, these methods are:
• int getErrorCode(): Returns the error code associated with
the error occurred.
• String getSQLState(): Returns X/Open error code.
• SQLException getNextException(): Returns the next
exception in the chain of exceptions.
Ver. 1.0 Session 1 Slide 24 of 38
25. JDBC
Just a minute
Which interface of the java.sql package must be
implemented by all the JDBC driver classes?
Answer:
Driver interface
Ver. 1.0 Session 1 Slide 25 of 38
26. JDBC
Accessing Result Sets
• A ResultSet object maintains a cursor that enables you to
move through the rows stored in a ResultSet object.
Ver. 1.0 Session 1 Slide 26 of 38
27. JDBC
Types of Result Sets
• The various types of ResultSet objects to store the output
returned by a database are:
– Read only: Allows you to only read the rows in a ResultSet
object.
– Forward only: Moves the result set cursor from first row to last
row in forward direction only.
– Scrollable: Moves the result set cursor forward or backward
through the result set.
– Updatable: Allows you to update the result set rows retrieved
from a database table.
Ver. 1.0 Session 1 Slide 27 of 38
28. JDBC
Types of Result Sets (Contd.)
• The following table lists various fields of ResultSet
interface that you can use to specify the type of a
ResultSet object.
ResultSet Fields Description
TYPE_SCROLL_SENTIT Specifies that the cursor of the ResultSet object
IVE is scrollable and it reflects the changes in the data
made by other users.
TYPE_SCROLL_INSENS Specifies that the cursor of the ResultSet object
ITIVE is scrollable and it does not reflect changes in the
data made by other users.
TYPE_FORWARD_ONLY Specifies that the cursor of the ResultSet object
moves in forward direction only from the first row to
the last row.
Ver. 1.0 Session 1 Slide 28 of 38
29. JDBC
Types of Result Sets (Contd.)
• The following table lists various fields of the ResultSet
interface that you can use to specify different concurrency
modes of result sets.
ResultSet Fields Description
CONCUR_READ_ONLY Specifies the concurrency mode
that does not allow you to update
the ResultSet object.
CONCUR_UPDATABLE Specifies the concurrency mode
that allows you to update the
ResultSet object.
Ver. 1.0 Session 1 Slide 29 of 38
30. JDBC
Types of Result Sets (Contd.)
• The createStatement() method has the following three
overloaded forms:
– Statement createStatement()
– Statement createStatement(int, int)
– Statement createStatement(int, int, int)
Ver. 1.0 Session 1 Slide 30 of 38
31. JDBC
Methods of ResultSet Interface
• The following tables lists some of the methods of
ResultSet interface:
Method Description
boolean first() Shifts the control of a result set cursor to the
first row of the result set.
boolean isFirst() Determines whether the result set cursor
points to the first row of the result set.
boolean last() Shifts the control of a result set cursor to the
last row of the result set.
boolean isLast() Determines whether the result set cursor
points to the last row of the result set.
Ver. 1.0 Session 1 Slide 31 of 38
32. JDBC
Methods of ResultSet Interface (Contd.)
JDBC allows you to create an updatable result set that
enables you to modify the rows in the result set.
The following table lists some of the methods used with
updatable result set:
Method Description
void insertRow() Inserts a row in the current ResultSet object and
the underlying database table.
void deleteRow() Deletes a row from the current ResultSet object
and the underlying database table.
Ver. 1.0 Session 1 Slide 32 of 38
33. JDBC
Just a minute
Which type of result set allows you to move the result set
cursor from first row to last row in forward direction only?
Answer:
Forward only result set
Ver. 1.0 Session 1 Slide 33 of 38
34. JDBC
Demonstration
Problem Statement:
Create an application to retrieve information (author id, name,
phone, address, city, state, and zip ) about the authors who are
living in the city where the city name begins with the letter “S”.
Ver. 1.0 Session 1 Slide 34 of 38
35. JDBC
Demonstration (Contd.)
Solution:
The application uses Type 4 driver to connect to the library
database on SQL Server and retrieve information abou the
authors who are living in the city where the city name begins
with the letter ‘S’.
Ver. 1.0 Session 1 Slide 35 of 38
36. JDBC
Summary
In this session, you learned that:
JDBC Architecture consists of two layers:
• JDBC application layer: Signifies a Java application that uses the
JDBC API to interact with the JDBC driver manager.
• JDBC driver layer: Contains a driver, such as an SQL Server
driver, which enables a Java application to connect to a database.
This layer acts as an interface between a Java application and a
database.
– The JDBC driver manager manages various JDBC drivers.
– The JDBC driver is software that a Java application uses to
access a database.
– JDBC supports four types of drivers:
JDBC-ODBC Bridge driver
Native-API Partly-Java driver
JDBC-Net Pure-Java driver
Native Protocol Pure-Java driver
Ver. 1.0 Session 1 Slide 36 of 38
37. JDBC
Summary (Contd.)
The JDBC API consists of various classes and interfaces that
enable Java applications to interact with databases.
The classes and interfaces of the JDBC API are defined in the
java.sql and javax.sql packages.
You can load a driver and register it with the driver manager
either programmatically or manually.
Two ways to load and register a driver programmatically are:
• Using the Class.forName() method
• Using the registerDriver() method
– You can add the driver name to the jdbc.drivers system
property to load and register a JDBC driver manually.
– A Connection object establishes a connection between a Java
application and a database.
– A Statement object sends requests to and retrieves results
from a database.
Ver. 1.0 Session 1 Slide 37 of 38
38. JDBC
Summary (Contd.)
You can insert, update, and delete data from a table using the
DML statements in Java applications.
You can create, alter, and drop tables from a database using
the DDL statements in Java applications.
A ResultSet object stores the result retrieved from a database
when a SELECT statement is executed.
You can create various types of ResultSet objects such as
read only, updatable, and forward only.
Ver. 1.0 Session 1 Slide 38 of 38
Editor's Notes
Reiterate the concepts taught earlier by asking the given question.
Reiterate the concepts taught earlier by asking the given question.
Reiterate the concepts taught earlier by asking the given question.