Jack-Win

1.将Connection的Auto commit改成false.-->Connetion conn; conn.setAutoCommit(false); 2.执行需要在这次交易中完成的操作语句. 3.手动commit--->conn.commit(); 4.将Connection的Auto commit改回true.-->conn.setAutoCommit(true); 5.

JDBC---作用:连接数据库! 1.首先new 一个驱动进行注册,这里实在DriverManager中自动注册,我们只需要new一个实例出来就好. 2.从DriverManager中取得连接Connection. 3.取得连接后进行数据库操作.Statement, PreparedStatement, CallableStatement. 通过Connection的方法获得. 4

We have noticed that it's very inconvenient to use class Statement to execute aSQL statement. So we have another solution which is PreparedStatement. PreparedStatement ps=conn.prepareStatement("....