- Java Programming Examples
- Example - Home
- Example - Environment
- Example - Strings
- Example - Arrays
- Example - Date & Time
- Example - Methods
- Example - Files
- Example - Directories
- Example - Exceptions
- Example - Data Structure
- Example - Collections
- Example - Networking
- Example - Threading
- Example - Applets
- Example - Simple GUI
- Example - JDBC
- Example - Regular Exp
- Example - Apache PDF Box
- Example - Apache POI PPT
- Example - Apache POI Excel
- Example - Apache POI Word
- Example - OpenCV
- Example - Apache Tika
- Example - iText
- Java Tutorial
- Java - Tutorial
- Java Useful Resources
- Java - Quick Guide
- Java - Useful Resources
How to commit a query in Java
Problem Description
How to commit a query?
Solution
Following example uses connection.commit() method to execute a query.
import java.sql.*; public class jdbcConn { public static void main(String[] args) throws Exception { Class.forName("org.apache.derby.jdbc.ClientDriver"); Connection con = DriverManager.getConnection ( "jdbc:derby://localhost:1527/testDb","name","pass"); Statement stmt = con.createStatement(); String query = "insert into emp values(2,'name1','job')"; String query1 ="insert into emp values(5,'name2','job')"; String query2 = "select * from emp"; ResultSet rs = stmt.executeQuery(query2); int no_of_rows = 0; while (rs.next()) { no_of_rows++; } System.out.println("No. of rows before commit statement = "+ no_of_rows); con.setAutoCommit(false); stmt.execute(query1); stmt.execute(query); con.commit(); rs = stmt.executeQuery(query2); no_of_rows = 0; while (rs.next()) { no_of_rows++; } System.out.println("No. of rows after commit statement = "+ no_of_rows); con.close(); } }
Result
The above code sample will produce the following result. The result may vary.
No. of rows before commit statement = 1 No. of rows after commit statement = 3
java_jdbc.htm
Advertisements