1、Oracle8/8i/9i数据库（thin模式）

??? Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
??? String url="jdbc:oracle:thin:@localhost:1521:orcl";
??? //orcl为数据库的SID
??? String user="test";
??? String password="test";
??? Connection conn= DriverManager.getConnection(url,user,password);

??? 2、DB2数据库

??? Class.forName("com.ibm.db2.jdbc.app.DB2Driver ").newInstance();
??? String url="jdbc:db2://localhost:5000/sample";
??? //sample为你的数据库名
??? String user="admin";
??? String password="";
??? Connection conn= DriverManager.getConnection(url,user,password);

??? 3、Sql Server7.0/2000数据库

??? Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").newInstance();
??? String url="jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=mydb";
??? //mydb为数据库
??? String user="sa";
??? String password="";
??? Connection conn= DriverManager.getConnection(url,user,password);

??? 4、Sybase数据库

??? Class.forName("com.sybase.jdbc.SybDriver").newInstance();
??? String url =" jdbc:sybase:Tds:localhost:5007/myDB";
??? //myDB为你的数据库名
??? Properties sysProps = System.getProperties();
??? SysProps.put("user","userid");
??? SysProps.put("password","user_password");
??? Connection conn= DriverManager.getConnection(url, SysProps);

??? 5、Informix数据库

??? Class.forName("com.informix.jdbc.IfxDriver").newInstance();
??? String url =
??? "jdbc:informix-sqli://123.45.67.89:1533/myDB:INFORMIXSERVER=myserver;
??? user=testuser;password=testpassword";
??? //myDB为数据库名
??? Connection conn= DriverManager.getConnection(url);

??? 6、MySQL数据库

??? Class.forName("org.gjt.mm.mysql.Driver").newInstance();
??? String url ="jdbc:mysql://localhost/myDB?user=soft&password=soft1234&useUnicod
??? e=true&characterEncoding=8859_1"
??? //myDB为数据库名
??? Connection conn= DriverManager.getConnection(url);

??? 7、PostgreSQL数据库

??? Class.forName("org.postgresql.Driver").newInstance();
??? String url ="jdbc:postgresql://localhost/myDB"
??? //myDB为数据库名
??? String user="myuser";
??? String password="mypassword";
??? Connection conn= DriverManager.getConnection(url,user,password);

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