JDBC Statement Example to Update a Record
Here’s an example to show you how to update a record in a table via JDBC statement.
To issue an update statement, call the Statement.executeUpdate() method like this :
Statement statement = connection.createStatement(); // execute update SQL stetement statement.executeUpdate(updateTableQurey);
Full example…
File: JDBCStatementUpdateExample.java
package com.simplecode.jdbc; import java.sql.DriverManager; import java.sql.Connection; import java.sql.Statement; import java.sql.SQLException; public class JDBCStatementUpdateExample { private static final String dbDriver = "oracle.jdbc.driver.OracleDriver"; private static String serverName = "127.0.0.1"; private static String portNumber = "1521"; private static String sid = "XE"; private static final String dbUrl = "jdbc:oracle:thin:@" + serverName + ":" + portNumber + ":" + sid; private static final String dbUser = "system"; private static final String dbPassword = "admin"; public static void main(String[] argc) { try { updateRecordIntoEmployeeTable(); } catch (SQLException e) { System.out.println(e.getMessage()); } } private static void updateRecordIntoEmployeeTable() throws SQLException { Connection connection = null; Statement statement = null; String updateTableQurey = "UPDATE EMPLOYEE SET USERNAME = 'Azar' " + "WHERE USER_ID = 1000"; try { connection = getDBConnection(); statement = connection.createStatement(); // execute update SQL statement statement.executeUpdate(updateTableQurey); System.out.println("Record is updated to EMPLOYEE table!"); } catch (SQLException e) { System.out.println(e.getMessage()); } finally { if (statement != null) { statement.close(); } if (connection != null) { connection.close(); } } } private static Connection getDBConnection() { Connection dbConnection = null; try { Class.forName(dbDriver); } catch (ClassNotFoundException e) { System.out.println(e.getMessage()); } try { dbConnection = DriverManager.getConnection(dbUrl, dbUser, dbPassword); return dbConnection; } catch (SQLException e) { System.out.println(e.getMessage()); } return dbConnection; } }
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