The post (“JDBC Update Record Using PreparedStatement”) will give an example, and show how to update records using JDBC PreparedStatement.
Example
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package net.tecbar.jdbc.examples; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Statement; public class JdbcUpdateRecordExample { private final static String USERNAME = "deploy"; private final static String PASSWORD = "Ts78W$k"; public static void main(String[] args) { JdbcUpdateRecordExample instance = new JdbcUpdateRecordExample(); instance.updateRecord(); } public void updateRecord() { Connection conn = null; PreparedStatement stmt = null; try{ // Register JDBC driver Class.forName("com.mysql.jdbc.Driver"); // Open a connection (MySQL as example) conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/mytecbar", USERNAME, PASSWORD); // Execute a query final String sql = "UPDATE category set description = ? where id = ?"; stmt = conn.prepareStatement(sql); stmt.setString(1, "DVD / blue-ray available"); stmt.setInt(2, 2); stmt.executeUpdate(); } catch(SQLException sle){ // process exception here sle.printStackTrace(); } catch(Exception e){ // process exception here e.printStackTrace(); } finally{ release(conn, stmt, null); } } public void release(Connection conn, Statement stmt, ResultSet rs) { try { if (rs != null) { rs.close(); } if (stmt != null) { stmt.close(); } if (conn != null) { conn.close(); } } catch (SQLException ex) { // process exception here } } } |
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