//********************************************************************* // // Copyright (c) 2004-2008 by Teradata Corporation // All Rights Reserved // //********************************************************************* // // File: T20402JD.java // Header: none // Purpose: Demonstrate basic Teradata SQL using the JDBC API by // executing an UPDATE statement without using parameter // markers. // The program will: // - Connect as user guest/please // - Update a row in the employee2 table, // updating LOB column values // - Display the number of rows updated // - Disconnect. // // JDBC API: java.sql.Connection, java.sql.Statement, // java.sql.Statement.executeUpdate // // Version: Updated for Teradata V2R6 // //********************************************************************* import java.sql.*; public class T20402JD { // Name of the user able to create, drop, and manipulate tables public static String sUser = "guest"; public static String sPassword = "please"; public static void main(String args[]) throws ClassNotFoundException { // Creation of URL to be passed to the JDBC driver String url = "jdbc:teradata://whomooz/TMODE=ANSI,CHARSET=UTF8"; // String representing an SQL UPDATE statement. Please note that // the empPhoto binary data will be inserted into the table using // binary literals. String sUpdate = "UPDATE employee2 SET empJob = 'QA engineer in charge " + "of ISO compliance documentation', empPhoto = " + "'A4649800E00FD80001FF011FA010041044600FB00048FDDB00404A46'XB " + "WHERE empID = 100001"; try { System.out.println("\n Sample T20402JD: \n"); System.out.println(" Looking for the Teradata JDBC driver... "); // Loading the Teradata JDBC driver Class.forName("com.teradata.jdbc.TeraDriver"); System.out.println(" JDBC driver loaded. \n"); // Attempting to connect to Teradata System.out.println( " Attempting to connect to Teradata via JDBC driver..."); // Creating a connection object Connection con = DriverManager.getConnection(url, sUser, sPassword); System.out.println(" User " + sUser + " connected."); System.out.println(" Connection to Teradata established. \n"); try { // Creating a statement object from an active connection Statement stmt = con.createStatement(); System.out.println(" Statement object created. \n"); try { int RowCount; // Return value for row count // The following code will perform an UPDATE to the table // and display the number of rows updated. System.out.println(" Attempting an update:\n " + sUpdate); RowCount = stmt.executeUpdate(sUpdate); System.out.println(" Update completed successfully: " + RowCount + " row(s) updated.\n"); } finally { // Close the statement stmt.close(); System.out.println(" Statement object closed. \n"); } } finally { // Close the connection System.out.println(" Closing connection to Teradata..."); con.close(); System.out.println(" Connection to Teradata closed. \n"); } System.out.println(" Sample T20402JD finished. \n"); } catch (SQLException ex) { // A SQLException was generated. Catch it and display // the error information. // Note that there could be multiple error objects chained // together. System.out.println(); System.out.println("*** SQLException caught ***"); while (ex != null) { System.out.println(" Error code: " + ex.getErrorCode()); System.out.println(" SQL State: " + ex.getSQLState()); System.out.println(" Message: " + ex.getMessage()); ex.printStackTrace(); System.out.println(); ex = ex.getNextException(); } throw new IllegalStateException ("Sample failed.") ; } } // End main } // End class T20402JD