//********************************************************************* // // Copyright (c) 2004-2008 by Teradata Corporation // All Rights Reserved // //********************************************************************* // // File: T20903JD.java // Header: none // Purpose: Demonstrate obtaining a list of table types // The program will: // - Connect as user guest/please // - Obtain and display a list of all table types // available in the database. // - Disconnect. // // JDBC API: java.sql.Connection, java.sql.DatabaseMetaData, // java.sql.DatabaseMetaData.getTableTypes // // Version: Updated for Teradata V2R6 // //********************************************************************* import java.sql.*; public class T20903JD { // 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 T20903JD: \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 description of all // table types available in this database // Retrieve available data types information ResultSet rs = dbmd.getTableTypes(); // Display the supported table types. Each result row // will have a single string column TABLE_TYPE. Typical // types are: TABLE, VIEW, SYSTEM TABLE, GLOBAL TEMPORARY, // LOCAL TEMPORARY, ALIAS, SYNONYM. Other values may be // available, please refer to the supporting documentation // for more information. The results are ordered by // table type. System.out.println(" DISPLAYING AVAILABLE TABLE TYPES:\n"); while(rs.next()) { System.out.println(" " + rs.getString("TABLE_TYPE")); } } 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 T20903JD 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 T20903JD