Java analysis of Oracle 11g Release2 instance based on JDBC connection
- 2020-04-01 03:56:38
- OfStack
This article illustrates a Java method to connect to Oracle 11g Release2 based on JDBC. Share with you for your reference. The details are as follows:
The JDBC connection for Oracle 11g Release 2 seems to be different if you receive the following exception:
Listener 1999 the connection with the following error: ora-12505, TNS: Listener does not currently know of SID given in connect descriptor.
Then you must use the following connection:
/*******************************************************
* Created on Nov, 2011 Copyright(c) http://vigilance.co.in All Rights Reserved.
********************************************************/
package com.vigilance.java.sample;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
/**
* @author http://vigilance.co.in
*/
public class ConnectJDBCOracle11g {
public static void main(String[] args) {
String JDBC_DRIVER = "oracle.jdbc.driver.OracleDriver";
String JDBC_STRING = "jdbc:odbc:thin:@HOSTNAME:PORTNUMBER/SID";
// in case of 11g use '/' instead of :
String USER_NAME = "USER_NAME";
String PASSWD = "PASSWORD";
Connection conn = null;
ResultSet rs = null;
Statement stmt = null;
try{
Class.forName(JDBC_DRIVER);
conn = DriverManager.getConnection(JDBC_STRING, USER_NAME, PASSWD);
stmt = conn.createStatement();
String query = "SELECT * FROM TABLE TBL";
rs = stmt.executeQuery(query);
}catch(SQLException sqlEx){
sqlEx.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} finally{
try {
if(rs!=null) rs.close();
if(stmt !=null) stmt.close();
if(conn!=null) conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
I hope this article has been helpful to your Java programming.