Oracle 8i 到 9i 升级

核心提示：测试的电脑已经装好Oracle(大型网站数据库平台)客户端，而且用SQLplus可以连接上，Oracle 8i 到 9i 升级，/** This sample shows how to list all the names from the EMP table** It uses the JDBC THIN drive

　　　　

测试的电脑已经装好Oracle(大型网站数据库平台)客户端，而且用SQLplus可以连接上。
/*
* This sample shows how to list all the names from the EMP table
*
* It uses the JDBC THIN driver.　See the same program in the
* oci8 samples directory to see how to use the other drivers.
*/

// You need to import the java.sql package to use JDBC
import java.sql.*;

class Test
{
　public static void main (String args [])
　　　 throws SQLException
　{
　　// Load the Oracle(大型网站数据库平台) JDBC driver
　　DriverManager.registerDriver(new Oracle(大型网站数据库平台).jdbc.Oracle(大型网站数据库平台)Driver());
/* try{
　Class.forName("Oracle(大型网站数据库平台).jdbc.driver.Oracle(大型网站数据库平台)Driver");
}catch(Exception e){
　System.out.println("No Driver!");
}
*/
　　// Connect to the database
　　// You must put a database name after the @ sign in the connection URL.
　　// You can use either the fully specified SQL*net syntax or a short cut
　　// syntax as <host>:<port>:<sid>.　The example uses the short cut syntax.
　　String url = "jdbc:Oracle(大型网站数据库平台):thin:@172.28.31.85:1521:YIKATONG";
　　String userName = "scott";
　　String password = "tiger";

if (args.length > 0) url = args[0];
　　if (args.length > 1) userName = args[1];
　　if (args.length > 2) password = args[2];
System.out.println(url);
System.out.println(userName);
System.out.println(password);
　　Connection conn =
　　　DriverManager.getConnection (url, userName, password);

// Create a Statement
　　Statement stmt = conn.createStatement ();

　 // Select the ENAME column from the EMP table
　　ResultSet rset = stmt.executeQuery ("select * from Test");

// Iterate through the result and print the employee names
　　while (rset.next ())
　　　System.out.println (rset.getString (1));
　}
}