Getting Driver and Server Information

This section describes how to get JDBC driver and database information through the DatabaseMetaData object.

Once you have created a database connection object, you can obtain some version information about the JDBC driver and database server through the DatabaseMetaData object as shown in the following program:

/* OracleDatabaseInfo.java
 * Copyright (c) HerongYang.com. All Rights Reserved.
 */
import java.sql.*;
import javax.sql.*;
public class OracleDatabaseInfo {
  public static void main(String [] args) {
    Connection con = null;
    try {

// Setting up the DataSource object
      oracle.jdbc.pool.OracleDataSource ds
        = new oracle.jdbc.pool.OracleDataSource();
      ds.setDriverType("thin");
      ds.setServerName("localhost");
      ds.setPortNumber(1521);
      ds.setDatabaseName("XE"); // Oracle SID
      ds.setUser("Herong");
      ds.setPassword("TopSecret");

// Getting a connection object
      con = ds.getConnection();

// Getting driver and database info
      DatabaseMetaData meta = con.getMetaData();
      System.out.println("Server name: "
        + meta.getDatabaseProductName());
      System.out.println("Server version: "
        + meta.getDatabaseProductVersion());
      System.out.println("Driver name: "
        + meta.getDriverName());
      System.out.println("Driver version: "
        + meta.getDriverVersion());
      System.out.println("JDBC major version: "
        + meta.getJDBCMajorVersion());
      System.out.println("JDBC minor version: "
        + meta.getJDBCMinorVersion());

// Closing the connection
      con.close();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
}

The output reports that ojdbc11.jar is a JDBC 4.3. driver, when running with JDK 17 and Oracle 21.3 server.

herong> javac -cp .;ojdbc11.jar OracleDatabaseInfo.java

herong> java -cp .;ojdbc11.jar OracleDatabaseInfo

Server name: Oracle
Server version: Oracle Database 21c Express Edition Release 21.0.0.0.0
Version 21.3.0.0.0
Driver name: Oracle JDBC driver
Driver version: 21.4.0.0.0
JDBC major version: 4
JDBC minor version: 3

The output reports that ojdbc6.jar is a JDBC 11.2 driver, when running with JDK 1.8 and Oracle 11.2 server. But that report is wrong. It should be a JDBC 4.? driver.

herong> \Progra~1\java\jdk1.8.0_45\bin\java -cp .;ojdbc6.jar \
  OracleDatabaseInfo

Server name: Oracle
Server version: Oracle Database 11g Express Edition Release 11.2.0.2.0
Driver name: Oracle JDBC driver
Driver version: 11.2.0.4.0
JDBC major version: 11
JDBC minor version: 2

When running with JDK 1.6, Oracle 10.2 and ojdbc14.jar, I was getting similar output:

herong> \Progra~1\java\jdk1.6.0_2\bin\java -cp .;ojdbc14.jar \
  OracleDatabaseInfo

Server name: Oracle
Server version: Oracle Database 10g Express Edition Release 10.2.0.1.0
Driver name: Oracle JDBC driver
Driver version: 10.2.0.3.0
JDBC major version: 10
JDBC minor version: 2

Table of Contents

 About This Book

 JDBC (Java Database Connectivity) Introduction

 JDK (Java SE) Installation

 Installing and Running Java DB - Derby

 Derby (Java DB) JDBC Driver

 Derby (Java DB) JDBC DataSource Objects

 Java DB (Derby) - DML Statements

 Java DB (Derby) - ResultSet Objects of Queries

 Java DB (Derby) - PreparedStatement

 MySQL Installation on Windows

 MySQL JDBC Driver (MySQL Connector/J)

 MySQL - PreparedStatement

 MySQL - Reference Implementation of JdbcRowSet

 MySQL - JBDC CallableStatement

 MySQL CLOB (Character Large Object) - TEXT

 MySQL BLOB (Binary Large Object) - BLOB

 Oracle Express Edition Installation on Windows

Oracle JDBC Drivers

 Oracle JDBC Drivers Overview

 JDBC Thin Client-Side Driver Installation

 Loading JDBC Driver Class - ojdbc16.jar

 JDBC Driver Connection URL

 Creating Connections with DataSource Class

 DataSource Error - makeURL() Failed

Getting Driver and Server Information

 "CREATE TABLE" - Creating New Tables

 "INSERT INTO" - Inserting New Data Rows

 Oracle - Reference Implementation of JdbcRowSet

 Oracle - PreparedStatement

 Oracle - JBDC CallableStatement

 Oracle CLOB (Character Large Object) - TEXT

 Oracle BLOB (Binary Large Object) - BLOB

 Microsoft SQL Server Express Edition

 Microsoft JDBC Driver for SQL Server

 Microsoft JDBC Driver - Query Statements and Result Sets

 Microsoft JDBC Driver - DatabaseMetaData Object

 Microsoft JDBC Driver - DDL Statements

 Microsoft JDBC Driver - DML Statements

 SQL Server - PreparedStatement

 SQL Server CLOB (Character Large Object) - TEXT

 SQL Server BLOB (Binary Large Object) - BLOB

 JDBC-ODBC Bridge Driver - sun.jdbc.odbc.JdbcOdbcDriver

 JDBC-ODBC Bridge Driver - Flat Text Files

 JDBC-ODBC Bridge Driver - MS Access

 JDBC-ODBC Bridge Driver - MS SQL Server

 Summary of JDBC Drivers and Database Servers

 Using Connection Pool with JDBC

 Archived Tutorials

 References

 Full Version in PDF/EPUB