JDBC Statement example to Delete a Record
Here is an example to show you how to delete a record from a table via JDBC statement.
To issue a delete statement, calls the Statement.executeUpdate() method as shown below :
Statement statement = connection.createStatement(); // execute delete SQL stetement statement.executeUpdate(deleteTableQuery);
Full example…
File: JDBCStatementDeleteExample.java
package com.simplecode.jdbc; import java.sql.DriverManager; import java.sql.Connection; import java.sql.Statement; import java.sql.SQLException; public class JDBCStatementDeleteExample { 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 { deleteRecordFromEmployeeTable(); } catch (SQLException e) { System.out.println(e.getMessage()); } } private static void deleteRecordFromEmployeeTable() throws SQLException { Connection connection = null; Statement statement = null; String deleteTableQuery = "DELETE EMPLOYEE WHERE USER_ID = 1000"; try { connection = getDBConnection(); statement = connection.createStatement(); // execute delete SQL statement statement.executeUpdate(deleteTableQuery); System.out.println("Record is deleted from EMPLOYEE table!"); } catch (SQLException e) { System.err.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.err.println(e.getMessage()); } try { dbConnection = DriverManager.getConnection(dbUrl, dbUser, dbPassword); return dbConnection; } catch (SQLException e) { System.err.println(e.getMessage()); } return dbConnection; } }