驱动类：com.mysql.jdbc.Driver

连接字符串：jdbc:mysql://localhost:3306/dbname

2.Oracle

驱动类：oracle.jdbc.driver.OracleDriver

连接字符串：jdbc:oracle:thin:@localhost:1521:dbname

3.Sqlserver

驱动类：com.microsoft.jdbc.sqlserver.SQLServerDriver

连接字符串：jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=dbnm

4.Access

Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");

Connection conn=DriverManager.getConnection("jdbc:odbc:driver={Microsoft Access Driver(*.mdb)};DBQ=C:\\db.mdb",username,password);

5.jdbc-odbc

驱动类：sun.jdbc.odbc.JdbcOdbcDriver

连接字符串：jdbc:odbc:dsnname