Jdbc2016
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This document provides instructions for connecting to an Oracle database from Java using JDBC. It outlines the steps to install the necessary software, create a data source name, and write Java code to connect to the database. The code example connects to a data source called "dsn3", creates a table called "student", and inserts two records into the table. It compiles and runs the Java program to demonstrate a successful JDBC connection and execution of SQL statements against the Oracle database.
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JDBC (Java Database Connectivity) provides a standard API for connecting to and interacting with relational databases. The key aspects are:
1) JDBC standardizes the connection establishment and query execution process but not the actual SQL syntax.
2) There are three main types of statements - regular statements, prepared statements, and callable statements - that allow executing SQL queries and commands.
3) The basic steps to use JDBC are: load the driver, define the connection URL, establish a connection, create a statement, execute queries, process results, and close the connection.
4) Transactions allow grouping statements together to commit or rollback as a single unit of work.
Java database connectivity
This document provides an overview of Java Database Connectivity (JDBC) including:
- JDBC provides a vendor-neutral way to connect Java applications to databases.
- It describes the basic components and architecture of JDBC including drivers, connections, statements, and result sets.
- It explains how to establish a connection to a database using JDBC including installing drivers, getting connections, executing queries, and processing result sets.
Jdbc day-1
This document discusses JDBC (Java Database Connectivity) which provides an API for interfacing Java code with databases. It describes the four types of JDBC drivers, focusing on Type 1 (JDBC-ODBC bridge) and Type 4 (Pure Java) drivers. It provides code examples for connecting to a database using a Type 1 driver, performing CRUD operations like creating tables, inserting rows, updating and fetching rows. It also covers topics like transactions, prepared statements, and handling exceptions.
JDBC ppt
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.
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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.
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Jdbc2016
- 1. Java Tutorial JAVA DATA BASE CONNECTIVITY USING ORACLE Prepared By Dr. G Jena Mr. B S N Murthy
- 2. JDBC Connection using Java • Install JDK 1.5 and JRE 1.5 or later version • Install Oracle 9i or later versions • Crate data source name ‘dsn’ using following steps: 1. Got Control Panel-> Administrative Tools-> Data Sources(ODBC)
- 3. Contd…
- 4. Contd… 2. Selest ‘Add’ -> Microsoft ODBC for Oracle
- 5. Contd… 3. Click ‘Finish’ and enter Data source name ->Ok.
- 6. Contd…. step 4: Go to Connection pooling tab-> Enable->Apply->Ok
- 7. Contd… Write the Java source Code: import java.sql.*; class jdbc { public static void main(String args[]) { try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); Connection con=DriverManager.getConnection("jdbc:odbc:dsn3","scott","tiger"); Statement st=con.createStatement(); String sq="create table student(roll number(4),name varchar2(10))";
- 8. Contd… st.executeUpdate(sq); st.executeUpdate("insert into student values(501,'Murthy1')"); st.executeUpdate("insert into student values(502,'Murthy2')"); System.out.println("table created ..."); st.close(); con.close(); } catch(Exception e) { System.out.println(e.getMessage()); } } }
- 9. Cont…. • Compile the source code C:> javac jdbc.java • Run the java code C:> java jdbc.