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1¡¢Oracle8/8i/9iÊý¾Ý¿â£¨thinģʽ£© 
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance(); 
String url="jdbc:oracle:thin:@localhost:1521:orcl"; //orclΪÊý¾Ý¿âµÄSID 
String user="test"; 
String password="test"; 
Connection conn= DriverManager.getConnection(url,user,password);  
¡¡¡¡2¡¢DB2Êý¾Ý¿â 
Class.forName("com.ibm.db2.jdbc.app.DB2Driver ").newInstance(); 
String url="jdbc:db2://localhost:5000/sample"; //sampleΪÄãµÄÊý¾Ý¿âÃû 
String user="admin"; 
String password=""; 
Connection conn= DriverManager.getConnection(url,user,password);  
¡¡¡¡3¡¢Sql Server7.0/2000Êý¾Ý¿â 
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance(); 
String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=mydb"; 
//mydbΪÊý¾Ý¿â 
String user="sa"; 
String password=""; 
Connection conn= DriverManager.getConnection(url,user,password);  
¡¡¡¡4¡¢SybaseÊý¾Ý¿â 
Class.forName("com.sybase.jdbc.SybDriver").newInstance(); 
String url =" jdbc:sybase:Tds:localhost:5007/myDB";//myDBΪÄãµÄÊý¾Ý¿âÃû 
Properties sysProps = System.getProperties(); 
SysProps.put("user","userid"); 
SysProps.put("password","user_password"); 
Connection conn= DriverManager.getConnection(url, SysProps);  
¡¡¡¡5¡¢InformixÊý¾Ý¿â 
Class.forName("com.informix.jdbc.IfxDriver").newInstance(); 
String url = "jdbc:informix-sqli://123.45.67.89:1533/myDB:INFORMIXSERVER=myserver; 
user=testuser;password=testpassword"; //myDBΪÊý¾Ý¿âÃû 
Connection conn= DriverManager.getConnection(url);  
¡¡¡¡6¡¢MySQLÊý¾Ý¿â 
Class.forName("org.gjt.mm.mysql.Driver").newInstance(); //»òÕßClass.forName("com.mysql.jdbc.Driver");
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