单选题:MODIFY STRUCTURE命令的功能是( )。 题目分类:VF 题目类型:单选题 查看权限:VIP 题目内容: MODIFY STRUCTURE命令的功能是( )。 A.修改记录值 B.修改表结构 C.修改数据库结构 D.修改数据库或表结构 参考答案: 答案解析:
I wasn't qualified for the job really. but I got it anyhow. I wasn't qualified for the job really. but I got it anyhow.A.somehow B.anyway C 分类:VF 题型:单选题 查看答案
Bad habits may return when we are under pressure. Bad habits may return when we are under pressure.A.Right B.Wrong C.Not mentioned 分类:VF 题型:单选题 查看答案
回答题An Expensive Mistake Is there water on the planet Mars? 回答题An Expensive MistakeIs there water on the planet Mars? Is there life on Mars? 分类:VF 题型:单选题 查看答案
she came across three children sleeping under a bridge. she came across three children sleeping under a bridge.A.passed by B.found by ch 分类:VF 题型:单选题 查看答案