A. DriverManager B. Connection C. DataSource D. PreparedStatement
A. getMetaData() B. getConnection(String url,String user,String pwd) C. registerDriver(Driver driver) D. createStatement()
A. ResultSet B. Connection C. Statement D. PreparedStatement
A. next() B. absolute(int row) C. previous() D. last()
A. java.sql.DriverManager类 B. java.sql.Driver接口 C. javax.sql. Driver接口 D. javax.sql.DriverManager类
A. prepareCall(String sql) B. prepareStatement(String sql) C. registerDriver(Driver driver) D. createStatement()
微信支付 
支付宝支付