要使用 java 程序访问数据库，则必须首先与数据库建立连接，在建立连接前，应加载数据库驱动程序，该语句为( )
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver")
DriverManage.getConnection("","","")
Result rs= DriverManage.getConnection("","","").createStatement()
Statement st= DriverManage.getConnection("","","").createStaement()
