The model consists of four layers - DDL, DML, DPL and CL.该模型分为数据定义层DDL、 数据操纵层DML 、 数据显示层DPL和控制层CL四层, 这里重点阐述了DDL和DML层.Availability of database definition language ( DDL ) and database manipulation language ( DML ) in DAO ...
...their lost homeland.他们失去的祖国I would adore to settle back homeland.我非常喜欢回家乡定居。Our growth is the evidence of our homeland's development grandness.我们的成长见证了祖国的发展壮大.He returned to his homeland with the purpose of servi...
The violence in those films was too unreal, it was make-believe.那些影片里的暴力场面太不真实了，都是假的。Oh, I can't explain it. It's just unreal. Everybody is so happy.啊，我都没法形容。就是太棒了，每个人都很高兴。It was so unreal that I broke into a f...