//********************************************************************* // // Copyright (c) 2004-2008 by Teradata Corporation // All Rights Reserved // //********************************************************************* // // File: T20901JD.java // Header: none // Purpose: Demonstrate obtaining a list of reserved words // The program will: // - Connect as user guest/please // - Obtain and display a list of reserved words // - Disconnect. // // JDBC API: java.sql.Connection, java.sql.DatabaseMetaData, // java.sql.DatabaseMetaData.getSQLKeywords // // Version: Updated for Teradata V2R6 // //********************************************************************* import java.sql.*; public class T20901JD { // 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"; try { System.out.println("\n Sample T20901JD: \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" + " the 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 DatabaseMetaData object from an active // connection. DatabaseMetaData dbmd = con.getMetaData(); System.out.println(" DatabaseMetaData object created. \n"); // The following code will obtain a list of reserved // SQL words used by the database // retrieve the list of reserved words. This method // gets a comma-separated list of all the SQL keywords in // a database that are NOT also SQL92 keywords. String keywords = dbmd.getSQLKeywords(); // format the string to improve readability : // replace commas with newline characters keywords = keywords.replaceAll(", ", "\n "); keywords = keywords.replaceAll(",", "\n "); // Display the formatted keyword list System.out.println(" DISPLAYING LIST OF RESERVED WORDS:"); System.out.println("\n " + keywords); } finally { // Close the connection System.out.println("\n Closing connection to Teradata..."); con.close(); System.out.println(" Connection to Teradata closed. \n"); } System.out.println(" Sample T20901JD 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 T20901JD