Cursores en Oracle PL/SQL, en esta presentación se encuentra información sobre que son, cuando se debe usar, su creación, invocación y también su eliminación.
07 Using Oracle-Supported Package in Application Developmentrehaniltifat
This document discusses using Oracle-supplied packages for application development. It describes the UTL_MAIL package for managing email, including procedures for sending messages with and without attachments. It also covers the DBMS_SCHEDULER package for automating jobs, including how to create, run, stop, and drop jobs. Finally, it discusses dynamic SQL and executing SQL statements programmatically using native dynamic SQL statements or the DBMS_SQL package.
The document discusses various concepts related to using packages in PL/SQL, including overloading subprograms, forward declarations, package initialization blocks, persistent state of package variables, using PL/SQL tables of records in packages, wrapping PL/SQL code into a standalone utility, and utilizing Oracle-supplied packages like DBMS_OUTPUT and UTL_FILE for debugging and file processing.
This document discusses explicit cursors in PL/SQL. It defines implicit and explicit cursors, with implicit cursors being used for all DML statements and single-row queries, while explicit cursors are used for queries that return zero, one, or more rows. The document outlines how to declare, open, fetch from, and close an explicit cursor. It also covers using cursors with parameters, locking rows with FOR UPDATE, and updating the current row with WHERE CURRENT OF.
This document provides an introduction to Oracle Forms Builder, a tool used to develop data entry and query screens. It discusses Forms Builder in client/server mode using a 2-tier architecture and in web mode using a 3-tier architecture. The document outlines some key features of Forms Builder including rapid application development, reusable objects, and improved developer productivity. It also provides instructions on setting user preferences and starting Forms Builder.
Single-Row Functions in orcale Data baseSalman Memon
This document provides an overview of single-row functions in SQL. It describes how single-row functions manipulate data on each row returned and can modify data types. The document outlines different categories of single-row functions including character, number, date, and general functions. It provides examples of how to use various single-row functions in SELECT statements.
This document discusses working with text items in a form application. It describes how to create, modify, and add functionality to text items. Key points covered include describing text items, modifying appearance properties like font and color, controlling data properties, altering navigational behavior, enhancing the database relationship, and adding functionality through properties. The document provides an overview of the different properties and groups that can be used to customize text items and their interaction with data and users.
Restricting and Sorting Data - Oracle Data BaseSalman Memon
This document discusses how to restrict and sort data retrieved by SQL queries. It describes how to limit rows using the WHERE clause with various comparison operators like equal to, greater than, between, in, like, and is null. Logical operators like AND, OR and NOT can be used with WHERE. Rows can be sorted using the ORDER BY clause, specifying columns and expressions to sort on in ascending or descending order. Multiple columns can be used in the ORDER BY to further refine the sorting.
The document discusses the DBMS_METADATA package in Oracle, which provides a centralized way to extract, manipulate, and resubmit metadata. It allows fetching an object's metadata as XML, transforming the XML, and resubmitting it to recreate the object. The package includes subprograms for opening a metadata extraction, setting filters, fetching metadata in various formats, and closing the extraction. It also discusses browsing APIs and examples of using filters and transforms.
07 Using Oracle-Supported Package in Application Developmentrehaniltifat
This document discusses using Oracle-supplied packages for application development. It describes the UTL_MAIL package for managing email, including procedures for sending messages with and without attachments. It also covers the DBMS_SCHEDULER package for automating jobs, including how to create, run, stop, and drop jobs. Finally, it discusses dynamic SQL and executing SQL statements programmatically using native dynamic SQL statements or the DBMS_SQL package.
The document discusses various concepts related to using packages in PL/SQL, including overloading subprograms, forward declarations, package initialization blocks, persistent state of package variables, using PL/SQL tables of records in packages, wrapping PL/SQL code into a standalone utility, and utilizing Oracle-supplied packages like DBMS_OUTPUT and UTL_FILE for debugging and file processing.
This document discusses explicit cursors in PL/SQL. It defines implicit and explicit cursors, with implicit cursors being used for all DML statements and single-row queries, while explicit cursors are used for queries that return zero, one, or more rows. The document outlines how to declare, open, fetch from, and close an explicit cursor. It also covers using cursors with parameters, locking rows with FOR UPDATE, and updating the current row with WHERE CURRENT OF.
This document provides an introduction to Oracle Forms Builder, a tool used to develop data entry and query screens. It discusses Forms Builder in client/server mode using a 2-tier architecture and in web mode using a 3-tier architecture. The document outlines some key features of Forms Builder including rapid application development, reusable objects, and improved developer productivity. It also provides instructions on setting user preferences and starting Forms Builder.
Single-Row Functions in orcale Data baseSalman Memon
This document provides an overview of single-row functions in SQL. It describes how single-row functions manipulate data on each row returned and can modify data types. The document outlines different categories of single-row functions including character, number, date, and general functions. It provides examples of how to use various single-row functions in SELECT statements.
This document discusses working with text items in a form application. It describes how to create, modify, and add functionality to text items. Key points covered include describing text items, modifying appearance properties like font and color, controlling data properties, altering navigational behavior, enhancing the database relationship, and adding functionality through properties. The document provides an overview of the different properties and groups that can be used to customize text items and their interaction with data and users.
Restricting and Sorting Data - Oracle Data BaseSalman Memon
This document discusses how to restrict and sort data retrieved by SQL queries. It describes how to limit rows using the WHERE clause with various comparison operators like equal to, greater than, between, in, like, and is null. Logical operators like AND, OR and NOT can be used with WHERE. Rows can be sorted using the ORDER BY clause, specifying columns and expressions to sort on in ascending or descending order. Multiple columns can be used in the ORDER BY to further refine the sorting.
The document discusses the DBMS_METADATA package in Oracle, which provides a centralized way to extract, manipulate, and resubmit metadata. It allows fetching an object's metadata as XML, transforming the XML, and resubmitting it to recreate the object. The package includes subprograms for opening a metadata extraction, setting filters, fetching metadata in various formats, and closing the extraction. It also discusses browsing APIs and examples of using filters and transforms.
The document discusses creating a simple form module in Oracle Apps using form builder wizards. It describes using the data block wizard to create a data block and the layout wizard to design the form's presentation. It also covers creating a control block, setting data block properties, establishing master-detail relationships between blocks, and configuring block coordination and deletion behavior.
Producing Readable Output with iSQL*Plus - Oracle Data BaseSalman Memon
After completing this lesson, you should be able to
do the following:
Produce queries that require a substitution variable
Customize the iSQL*Plus environment
Produce more readable output
Create and execute script files
http://phpexecutor.com
This document discusses stored procedures and functions in Oracle databases. It covers:
- What procedures and functions are and how they can be created using PL/SQL syntax.
- Parameters for procedures and functions, including IN, OUT, and IN OUT parameter modes.
- Developing procedures and functions, including compiling, storing, and executing them.
- Benefits of using procedures and functions such as improved maintainability and performance.
This document provides an overview of executable statements in PL/SQL blocks. It discusses lexical units like identifiers, delimiters, and literals. It describes PL/SQL block syntax and guidelines for writing executable code. It also covers commenting code, using SQL functions, data type conversion, and nested blocks. The document provides examples and best practices for writing readable and maintainable PL/SQL code.
Displaying Data from Multiple Tables - Oracle Data BaseSalman Memon
This document discusses different types of joins in SQL for combining data from multiple tables, including:
- Inner joins, which return rows that match the join condition between two tables.
- Outer joins, which return all rows from one table and matched rows from the other table.
- Self joins, which join a table to itself to link records together such as employees and their managers.
The document provides examples of joins using both Oracle's proprietary syntax and the SQL:1999 standard syntax.
This document discusses different types of joins in SQL, including inner joins, outer joins, self joins, and cross joins. It provides examples of SQL queries using each type of join to retrieve data from multiple tables based on relationships between columns. The key types of joins covered are equijoins to match column values, non-equijoins to match column ranges, and outer joins to return non-matching rows.
Triggers in Form Builder are used to perform actions when events occur. This document discusses how to create triggers, the different types of triggers like When-Button-Pressed and When-Window-Closed, and how to debug triggers using the PL/SQL debugger. Form Builder variables and built-in subprograms can be used within triggers. Debugging tools like breakpoints allow stepping through trigger code line-by-line to identify errors.
After completing this lesson, you should be able to
do the following:
Describe the types of problem that subqueries can solve
Define subqueries
List the types of subqueries
Write single-row and multiple-row subqueries
http://phpexecutor.com
This document provides an overview of using SQL SELECT statements to retrieve data from Oracle databases. It covers the basic capabilities and syntax of SELECT statements, including selecting all or specific columns, arithmetic expressions, column aliases, and concatenation operators. It also describes the difference between SQL statements, which manipulate database data, and iSQLPlus commands, which are used to interact with the iSQLPlus environment but do not change database values. The document demonstrates basic SELECT statements and using iSQLPlus to view table structures, run SQL scripts, and set preferences.
Triggers are stored PL/SQL blocks that are associated with a table, view, schema or database and execute automatically when a triggering event occurs. There are two types of triggers: application triggers that fire on application events and database triggers that fire on data or system events. Triggers can be used to centralize global operations, perform related actions, enforce complex integrity constraints and compute derived values automatically. The timing of a trigger determines whether it executes before or after the triggering event.
The document discusses reporting tools for Oracle Applications 11i, focusing on Oracle Reports 6i. It describes the key considerations in selecting a reporting tool and provides an overview of Oracle Reports 6i. Specifically, it covers the differences between character and bitmap reports in Oracle Reports 6i, and how to build reports for Oracle Applications 11i using Oracle Reports 6i. It also provides details on building reports, including using the data model, layout model, parameters, triggers, and the built-in SRW package.
All of the Performance Tuning Features in Oracle SQL DeveloperJeff Smith
An overview of all of the performance tuning instrumentation, tools, and features in Oracle SQL Developer. Get help making those applications and their queries more performant.
03 Writing Control Structures, Writing with Compatible Data Types Using Expli...rehaniltifat
This document discusses composite data types in PL/SQL including records, collections like index by tables and nested tables, and using explicit cursors. It provides examples of declaring different composite data types like records and index by tables, using %ROWTYPE attribute, and controlling explicit cursors through open, fetch, close operations and cursor attributes. It also discusses using cursors with parameters and FOR UPDATE/WHERE CURRENT OF clauses for locking and updating rows.
Advanced PLSQL Optimizing for Better PerformanceZohar Elkayam
A Presentation from Oracle Week 2015 in Israel
Agenda:
• Developing PL/SQL:
o Composite Data Types: Records, Collections and Table type
o Advanced Cursors: Ref cursor, Cursor function, Cursor subquery in PL/SQL
o Bulk Binding
o Dynamic SQL – SQL Injection
o Tracing PL/SQL Execution
o Design patterns for PL/SQL: Autonomous Transactions, Invoker and Definer rights, serially_reusable code
o Triggers Improvements
• Compiling PL/SQL:
o PL/SQL Fine-Grain Dependency Management
o PLSQL_OPTIMIZE_LEVEL parameter
o PL/SQL Compile-Time Warnings and Using DBMS_WARNING package
• Tuning PL/SQL:
o Handling Packages in Memory
o Global Temporary Tables
o PL/SQL Function Result Cache and pitfalls
• Oracle Database 12c PL/SQL new features: What is new in Oracle 12c
o Language Usability Enhancements
o New Limitations
• Additional useful features, Tips and Tricks for better performance
This document discusses data manipulation language (DML) statements used to insert, update, and delete rows in database tables. It describes the INSERT statement syntax for adding new rows, the UPDATE statement for modifying existing rows, and the DELETE statement for removing rows. It also covers transactions, using the COMMIT statement to make changes permanent and the ROLLBACK statement to undo pending changes. Key points covered include controlling consistency with transactions, implicit and explicit transaction processing, and read consistency.
Les01 (retrieving data using the sql select statement)Achmad Solichin
This document provides an overview of using SQL SELECT statements and the iSQLPlus environment to retrieve and work with data. It covers the basic capabilities and syntax of SELECT statements including selecting all or specific columns, arithmetic expressions, aliases, and null values. It also describes interacting with the iSQLPlus environment, such as describing table structures, running SQL statements from scripts, and setting preferences. The key aspects of SQL statements and iSQLPlus commands are differentiated.
This document discusses data manipulation language (DML) statements in Oracle databases. It describes how to insert, update, delete and merge rows using SQL statements. It also covers transactions, controlling transactions using commit, rollback and savepoints, and implicit transaction processing. The key DML statements covered are INSERT, UPDATE, DELETE, and MERGE.
11 Understanding and Influencing the PL/SQL Compilarrehaniltifat
This document discusses normalization of a sales tax invoice database. It begins by showing an initial sales tax invoice table that is not normalized. It then shows the tables after normalization into first normal form (1NF), second normal form (2NF), and third normal form (3NF). The normalized tables separate the data into tables for the invoice, buyer, product, tax, and price details.
This document discusses using item interaction triggers and built-ins to add functionality to various Oracle Forms items. It provides examples of interacting with push buttons, checkboxes, radio buttons, list items, image items, and hierarchical tree items using triggers like WHEN-BUTTON-PRESSED and built-ins like SHOW_LOV, READ_IMAGE_FILE, and ADD_LIST_ELEMENT. The objectives are to display LOVs from buttons, update item properties based on checkbox or radio button selection, dynamically add or remove list elements, load images into image items, and populate hierarchical tree items using a CONNECT BY query.
PL/SQL is Oracle's standard language for accessing and manipulating data in Oracle databases. It allows developers to integrate SQL statements with procedural constructs like variables, conditions, and loops. PL/SQL code is organized into blocks that define a declarative section for variable declarations and an executable section containing SQL and PL/SQL statements. Variables can be scalar, composite, reference, or LOB types and are declared in the declarative section before being used in the executable section.
This document provides an overview of managing schema objects in Oracle databases. It defines schema objects and data types, and describes how to create and modify tables, define constraints, create indexes, create views, use sequences, work with temporary tables, and utilize the data dictionary. The objectives are to understand and work with these various schema objects through SQL commands.
The document discusses creating a simple form module in Oracle Apps using form builder wizards. It describes using the data block wizard to create a data block and the layout wizard to design the form's presentation. It also covers creating a control block, setting data block properties, establishing master-detail relationships between blocks, and configuring block coordination and deletion behavior.
Producing Readable Output with iSQL*Plus - Oracle Data BaseSalman Memon
After completing this lesson, you should be able to
do the following:
Produce queries that require a substitution variable
Customize the iSQL*Plus environment
Produce more readable output
Create and execute script files
http://phpexecutor.com
This document discusses stored procedures and functions in Oracle databases. It covers:
- What procedures and functions are and how they can be created using PL/SQL syntax.
- Parameters for procedures and functions, including IN, OUT, and IN OUT parameter modes.
- Developing procedures and functions, including compiling, storing, and executing them.
- Benefits of using procedures and functions such as improved maintainability and performance.
This document provides an overview of executable statements in PL/SQL blocks. It discusses lexical units like identifiers, delimiters, and literals. It describes PL/SQL block syntax and guidelines for writing executable code. It also covers commenting code, using SQL functions, data type conversion, and nested blocks. The document provides examples and best practices for writing readable and maintainable PL/SQL code.
Displaying Data from Multiple Tables - Oracle Data BaseSalman Memon
This document discusses different types of joins in SQL for combining data from multiple tables, including:
- Inner joins, which return rows that match the join condition between two tables.
- Outer joins, which return all rows from one table and matched rows from the other table.
- Self joins, which join a table to itself to link records together such as employees and their managers.
The document provides examples of joins using both Oracle's proprietary syntax and the SQL:1999 standard syntax.
This document discusses different types of joins in SQL, including inner joins, outer joins, self joins, and cross joins. It provides examples of SQL queries using each type of join to retrieve data from multiple tables based on relationships between columns. The key types of joins covered are equijoins to match column values, non-equijoins to match column ranges, and outer joins to return non-matching rows.
Triggers in Form Builder are used to perform actions when events occur. This document discusses how to create triggers, the different types of triggers like When-Button-Pressed and When-Window-Closed, and how to debug triggers using the PL/SQL debugger. Form Builder variables and built-in subprograms can be used within triggers. Debugging tools like breakpoints allow stepping through trigger code line-by-line to identify errors.
After completing this lesson, you should be able to
do the following:
Describe the types of problem that subqueries can solve
Define subqueries
List the types of subqueries
Write single-row and multiple-row subqueries
http://phpexecutor.com
This document provides an overview of using SQL SELECT statements to retrieve data from Oracle databases. It covers the basic capabilities and syntax of SELECT statements, including selecting all or specific columns, arithmetic expressions, column aliases, and concatenation operators. It also describes the difference between SQL statements, which manipulate database data, and iSQLPlus commands, which are used to interact with the iSQLPlus environment but do not change database values. The document demonstrates basic SELECT statements and using iSQLPlus to view table structures, run SQL scripts, and set preferences.
Triggers are stored PL/SQL blocks that are associated with a table, view, schema or database and execute automatically when a triggering event occurs. There are two types of triggers: application triggers that fire on application events and database triggers that fire on data or system events. Triggers can be used to centralize global operations, perform related actions, enforce complex integrity constraints and compute derived values automatically. The timing of a trigger determines whether it executes before or after the triggering event.
The document discusses reporting tools for Oracle Applications 11i, focusing on Oracle Reports 6i. It describes the key considerations in selecting a reporting tool and provides an overview of Oracle Reports 6i. Specifically, it covers the differences between character and bitmap reports in Oracle Reports 6i, and how to build reports for Oracle Applications 11i using Oracle Reports 6i. It also provides details on building reports, including using the data model, layout model, parameters, triggers, and the built-in SRW package.
All of the Performance Tuning Features in Oracle SQL DeveloperJeff Smith
An overview of all of the performance tuning instrumentation, tools, and features in Oracle SQL Developer. Get help making those applications and their queries more performant.
03 Writing Control Structures, Writing with Compatible Data Types Using Expli...rehaniltifat
This document discusses composite data types in PL/SQL including records, collections like index by tables and nested tables, and using explicit cursors. It provides examples of declaring different composite data types like records and index by tables, using %ROWTYPE attribute, and controlling explicit cursors through open, fetch, close operations and cursor attributes. It also discusses using cursors with parameters and FOR UPDATE/WHERE CURRENT OF clauses for locking and updating rows.
Advanced PLSQL Optimizing for Better PerformanceZohar Elkayam
A Presentation from Oracle Week 2015 in Israel
Agenda:
• Developing PL/SQL:
o Composite Data Types: Records, Collections and Table type
o Advanced Cursors: Ref cursor, Cursor function, Cursor subquery in PL/SQL
o Bulk Binding
o Dynamic SQL – SQL Injection
o Tracing PL/SQL Execution
o Design patterns for PL/SQL: Autonomous Transactions, Invoker and Definer rights, serially_reusable code
o Triggers Improvements
• Compiling PL/SQL:
o PL/SQL Fine-Grain Dependency Management
o PLSQL_OPTIMIZE_LEVEL parameter
o PL/SQL Compile-Time Warnings and Using DBMS_WARNING package
• Tuning PL/SQL:
o Handling Packages in Memory
o Global Temporary Tables
o PL/SQL Function Result Cache and pitfalls
• Oracle Database 12c PL/SQL new features: What is new in Oracle 12c
o Language Usability Enhancements
o New Limitations
• Additional useful features, Tips and Tricks for better performance
This document discusses data manipulation language (DML) statements used to insert, update, and delete rows in database tables. It describes the INSERT statement syntax for adding new rows, the UPDATE statement for modifying existing rows, and the DELETE statement for removing rows. It also covers transactions, using the COMMIT statement to make changes permanent and the ROLLBACK statement to undo pending changes. Key points covered include controlling consistency with transactions, implicit and explicit transaction processing, and read consistency.
Les01 (retrieving data using the sql select statement)Achmad Solichin
This document provides an overview of using SQL SELECT statements and the iSQLPlus environment to retrieve and work with data. It covers the basic capabilities and syntax of SELECT statements including selecting all or specific columns, arithmetic expressions, aliases, and null values. It also describes interacting with the iSQLPlus environment, such as describing table structures, running SQL statements from scripts, and setting preferences. The key aspects of SQL statements and iSQLPlus commands are differentiated.
This document discusses data manipulation language (DML) statements in Oracle databases. It describes how to insert, update, delete and merge rows using SQL statements. It also covers transactions, controlling transactions using commit, rollback and savepoints, and implicit transaction processing. The key DML statements covered are INSERT, UPDATE, DELETE, and MERGE.
11 Understanding and Influencing the PL/SQL Compilarrehaniltifat
This document discusses normalization of a sales tax invoice database. It begins by showing an initial sales tax invoice table that is not normalized. It then shows the tables after normalization into first normal form (1NF), second normal form (2NF), and third normal form (3NF). The normalized tables separate the data into tables for the invoice, buyer, product, tax, and price details.
This document discusses using item interaction triggers and built-ins to add functionality to various Oracle Forms items. It provides examples of interacting with push buttons, checkboxes, radio buttons, list items, image items, and hierarchical tree items using triggers like WHEN-BUTTON-PRESSED and built-ins like SHOW_LOV, READ_IMAGE_FILE, and ADD_LIST_ELEMENT. The objectives are to display LOVs from buttons, update item properties based on checkbox or radio button selection, dynamically add or remove list elements, load images into image items, and populate hierarchical tree items using a CONNECT BY query.
PL/SQL is Oracle's standard language for accessing and manipulating data in Oracle databases. It allows developers to integrate SQL statements with procedural constructs like variables, conditions, and loops. PL/SQL code is organized into blocks that define a declarative section for variable declarations and an executable section containing SQL and PL/SQL statements. Variables can be scalar, composite, reference, or LOB types and are declared in the declarative section before being used in the executable section.
This document provides an overview of managing schema objects in Oracle databases. It defines schema objects and data types, and describes how to create and modify tables, define constraints, create indexes, create views, use sequences, work with temporary tables, and utilize the data dictionary. The objectives are to understand and work with these various schema objects through SQL commands.
MySQL is an open-source relational database management system that works on many platforms. It provides multi-user access to support many storage engines and is backed by Oracle. SQL is the core of a relational database which is used for accessing and managing the database. The different subsets of SQL are DDL, DML, DCL, and TCL. MySQL has many features including ease of management, robust transactional support, high performance, low total cost of ownership, and scalability.
This document provides a lesson on retrieving data using SQL SELECT statements. It covers the basic capabilities and syntax of SELECT statements, including selecting specific columns, using column aliases, arithmetic expressions, concatenation operators, and the DISTINCT keyword. It also demonstrates the DESCRIBE command to view table structures. The objectives are to be able to list the capabilities of SELECT statements and execute a basic SELECT query.
This chapter on PL/SQL programming introduces PL/SQL language fundamentals and basics with brief knowledge about its evolution and advantages.Practitioners Guide contains examples on the PL/SQL concepts explained in the slides.
This document outlines new SQL and PL/SQL capabilities in Oracle Database 12c, including more data types that can be used as bind variables, the ability to query PL/SQL table types directly without creating SQL types, granting roles to PL/SQL code to elevate privileges during execution, and an "accessible by" clause to specify which code can invoke a package. It also describes improved support for binding PL/SQL types in JDBC without needing custom wrappers.
This document provides an overview of tools for PL/SQL development like Oracle SQL Developer and SQL*Plus. It also summarizes key SQL concepts including data definition, manipulation, retrieval, and security commands. Basic SQL elements such as constants, operators, conditions, data types, comments, and variables are also defined.
Oracle is an object-relational database management system. It is the leading RDBMS vendor worldwide. Every Oracle database contains logical structures like tablespaces, schema objects, and physical structures like data files, redo log files, and a control file. SQL is the standard language used for storing, manipulating, and retrieving data from relational databases like Oracle. PL/SQL adds procedural functionality to SQL and is tightly integrated with the Oracle database.
Oracle is an object-relational database management system. It is the leading RDBMS vendor worldwide. Every Oracle database contains logical structures like tablespaces, schema objects, and physical structures like data files, redo log files, and a control file. SQL is the standard language used for storing, manipulating, and retrieving data from relational databases like Oracle. PL/SQL adds procedural logic to SQL and is tightly integrated with Oracle databases. It allows developers to define functions and procedures to manipulate data in the database.
This document discusses creating and using stored functions in Oracle databases. It describes stored functions as named PL/SQL blocks that return a value and can be stored in the database for repeated execution. The document provides the syntax for creating functions, examples of creating and invoking functions, and restrictions on using functions in SQL statements. It also compares functions to procedures and describes how to remove functions from the database.
Web Cloud Computing SQL Server - Ferrara Universityantimo musone
The document provides a summary of an individual's background and experience. It includes the following information in Italian:
1. The individual graduated from the University of Ferrara in 2014 and is an engineer from the University of Naples. They have worked at Avanade since 2006 as a Technical Architect focusing on Cloud and Mobile.
2. They speak at events as a Microsoft Student Partner and are a co-founder of the Fifth Element Project.
3. Their areas of expertise include applications, storage, servers, networking, operating systems, databases, virtualization, runtimes, middleware, and infrastructure as a service, platform as a service and software as a service.
4. They provide a link to
This document provides an overview of schema objects and how to manage them in a database. It defines schema objects as the logical constraints that define how data is organized in a relational database, including tables, fields, data types, and relationships. It describes how to create and modify tables, define constraints, create indexes, and use temporary tables. The key objectives covered are defining schema objects and data types, creating and modifying tables, defining constraints, creating indexes, and explaining the use of temporary tables.
The document discusses various PL/SQL programming concepts including PL/SQL block structure, procedures, functions, packages, cursors, exceptions, and dependencies. It provides guidelines for proper naming conventions, restrictions on calling functions from SQL expressions, and best practices for cursor and package design. The document also covers object types, subtypes, and working with collections in PL/SQL.
SQL is a non-procedural, declarative language used to work with databases and manage data storage and retrieval. It includes statements for data definition (DDL), data control (DCL), and data manipulation (DML). SQL code describes the results desired rather than how to perform the task. Database applications typically separate the user interface from the data management using connections to access and retrieve data from the database server. Microsoft SQL Server is commonly used and has different editions suitable for database courses like CIS-182.
This document provides an introduction to PL/SQL, including:
- PL/SQL allows for variables, loops, functions, and easier integration of SQL code for improved performance.
- Code is organized into anonymous blocks with a declare, begin, and exception section.
- It describes data types, variables, bind variables, substitution variables, and how to declare variables based on table columns or rows.
- The goal is to explain the basic structure and capabilities of PL/SQL to allow for more complex programming within Oracle databases.
This document provides an introduction to PL/SQL, including:
- PL/SQL allows for programming features like variables, loops, and functions to be used directly in SQL statements for improved performance.
- The basic structure of a PL/SQL anonymous block is declared with a label, variables, and BEGIN/END blocks for the code and exceptions.
- Variables can be declared with different data types and initialized in the declaration. Bind variables declared outside blocks can be accessed by other code.
- The %TYPE and %ROWTYPE attributes allow variables to take the data type of a column or entire table row.
- Substitution variables accept values from users when executing a block.
This document provides a lesson on using SQL SELECT statements to retrieve data from database tables. It covers the basic SELECT statement syntax, selecting specific columns, column aliases, arithmetic expressions, NULL values, concatenation operators, literal strings, the DISTINCT keyword, and using the DESCRIBE command to view table structures. The objectives are to be able to list the capabilities of SQL SELECT statements and execute a basic SELECT statement.
Oracle Database 12c - New Features for Developers and DBAsAlex Zaballa
Oracle Database 12c includes over 500 new features designed to support cloud computing, big data, security, and availability. Key features include support for up to 4096 pluggable databases, hot cloning without placing the source database in read-only mode, sharding capabilities, in-memory column storage, application containers, improved resource management isolation, and AWR support on Active Data Guard databases. Other notable features include enhanced JSON support, data redaction for security, row limits and offsets for queries, invisible columns, SQL text expansion, PL/SQL from SQL, session-level sequences, extended data types up to 32K, multiple indexes on the same columns, READ privileges without row locking ability, session private statistics for global temporary tables,
Advanced control scheme of doubly fed induction generator for wind turbine us...IJECEIAES
This paper describes a speed control device for generating electrical energy on an electricity network based on the doubly fed induction generator (DFIG) used for wind power conversion systems. At first, a double-fed induction generator model was constructed. A control law is formulated to govern the flow of energy between the stator of a DFIG and the energy network using three types of controllers: proportional integral (PI), sliding mode controller (SMC) and second order sliding mode controller (SOSMC). Their different results in terms of power reference tracking, reaction to unexpected speed fluctuations, sensitivity to perturbations, and resilience against machine parameter alterations are compared. MATLAB/Simulink was used to conduct the simulations for the preceding study. Multiple simulations have shown very satisfying results, and the investigations demonstrate the efficacy and power-enhancing capabilities of the suggested control system.
Use PyCharm for remote debugging of WSL on a Windo cf5c162d672e4e58b4dde5d797...shadow0702a
This document serves as a comprehensive step-by-step guide on how to effectively use PyCharm for remote debugging of the Windows Subsystem for Linux (WSL) on a local Windows machine. It meticulously outlines several critical steps in the process, starting with the crucial task of enabling permissions, followed by the installation and configuration of WSL.
The guide then proceeds to explain how to set up the SSH service within the WSL environment, an integral part of the process. Alongside this, it also provides detailed instructions on how to modify the inbound rules of the Windows firewall to facilitate the process, ensuring that there are no connectivity issues that could potentially hinder the debugging process.
The document further emphasizes on the importance of checking the connection between the Windows and WSL environments, providing instructions on how to ensure that the connection is optimal and ready for remote debugging.
It also offers an in-depth guide on how to configure the WSL interpreter and files within the PyCharm environment. This is essential for ensuring that the debugging process is set up correctly and that the program can be run effectively within the WSL terminal.
Additionally, the document provides guidance on how to set up breakpoints for debugging, a fundamental aspect of the debugging process which allows the developer to stop the execution of their code at certain points and inspect their program at those stages.
Finally, the document concludes by providing a link to a reference blog. This blog offers additional information and guidance on configuring the remote Python interpreter in PyCharm, providing the reader with a well-rounded understanding of the process.
Discover the latest insights on Data Driven Maintenance with our comprehensive webinar presentation. Learn about traditional maintenance challenges, the right approach to utilizing data, and the benefits of adopting a Data Driven Maintenance strategy. Explore real-world examples, industry best practices, and innovative solutions like FMECA and the D3M model. This presentation, led by expert Jules Oudmans, is essential for asset owners looking to optimize their maintenance processes and leverage digital technologies for improved efficiency and performance. Download now to stay ahead in the evolving maintenance landscape.
Software Engineering and Project Management - Introduction, Modeling Concepts...Prakhyath Rai
Introduction, Modeling Concepts and Class Modeling: What is Object orientation? What is OO development? OO Themes; Evidence for usefulness of OO development; OO modeling history. Modeling
as Design technique: Modeling, abstraction, The Three models. Class Modeling: Object and Class Concept, Link and associations concepts, Generalization and Inheritance, A sample class model, Navigation of class models, and UML diagrams
Building the Analysis Models: Requirement Analysis, Analysis Model Approaches, Data modeling Concepts, Object Oriented Analysis, Scenario-Based Modeling, Flow-Oriented Modeling, class Based Modeling, Creating a Behavioral Model.
VARIABLE FREQUENCY DRIVE. VFDs are widely used in industrial applications for...PIMR BHOPAL
Variable frequency drive .A Variable Frequency Drive (VFD) is an electronic device used to control the speed and torque of an electric motor by varying the frequency and voltage of its power supply. VFDs are widely used in industrial applications for motor control, providing significant energy savings and precise motor operation.
Optimizing Gradle Builds - Gradle DPE Tour Berlin 2024Sinan KOZAK
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AI for Legal Research with applications, toolsmahaffeycheryld
AI applications in legal research include rapid document analysis, case law review, and statute interpretation. AI-powered tools can sift through vast legal databases to find relevant precedents and citations, enhancing research accuracy and speed. They assist in legal writing by drafting and proofreading documents. Predictive analytics help foresee case outcomes based on historical data, aiding in strategic decision-making. AI also automates routine tasks like contract review and due diligence, freeing up lawyers to focus on complex legal issues. These applications make legal research more efficient, cost-effective, and accessible.
Null Bangalore | Pentesters Approach to AWS IAMDivyanshu
#Abstract:
- Learn more about the real-world methods for auditing AWS IAM (Identity and Access Management) as a pentester. So let us proceed with a brief discussion of IAM as well as some typical misconfigurations and their potential exploits in order to reinforce the understanding of IAM security best practices.
- Gain actionable insights into AWS IAM policies and roles, using hands on approach.
#Prerequisites:
- Basic understanding of AWS services and architecture
- Familiarity with cloud security concepts
- Experience using the AWS Management Console or AWS CLI.
- For hands on lab create account on [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)
# Scenario Covered:
- Basics of IAM in AWS
- Implementing IAM Policies with Least Privilege to Manage S3 Bucket
- Objective: Create an S3 bucket with least privilege IAM policy and validate access.
- Steps:
- Create S3 bucket.
- Attach least privilege policy to IAM user.
- Validate access.
- Exploiting IAM PassRole Misconfiguration
-Allows a user to pass a specific IAM role to an AWS service (ec2), typically used for service access delegation. Then exploit PassRole Misconfiguration granting unauthorized access to sensitive resources.
- Objective: Demonstrate how a PassRole misconfiguration can grant unauthorized access.
- Steps:
- Allow user to pass IAM role to EC2.
- Exploit misconfiguration for unauthorized access.
- Access sensitive resources.
- Exploiting IAM AssumeRole Misconfiguration with Overly Permissive Role
- An overly permissive IAM role configuration can lead to privilege escalation by creating a role with administrative privileges and allow a user to assume this role.
- Objective: Show how overly permissive IAM roles can lead to privilege escalation.
- Steps:
- Create role with administrative privileges.
- Allow user to assume the role.
- Perform administrative actions.
- Differentiation between PassRole vs AssumeRole
Try at [killercoda.com](https://killercoda.com/cloudsecurity-scenario/)