皮皮学，免费搜题
登录
搜题
【单选题】
The database administrator of your company created a public synonym called HR for the HUMAN_RESOURCES table of the GENERAL schema, because many users frequently use this table. As a user of the database, you created a table called HR in your schema. What happens when you execute this query?（）A.
You obtain the results retrieved from the public synonym HR created by the database administrator.
B.
You obtain the results retrieved from the HR table that belongs to your schema.
C.
You get an error message because you cannot retrieve from a table that has the same name as a public synonym.
D.
You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a Cartesian product.
E.
You obtain the results retrieved from both the public synonym HR and the HR table that belongs to your schema, as a FULL JOIN.
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】I wish you’d stop ( chattering) on about things you don’t understand.
A.
singing
B.
shouting
C.
talking idly
D.
whistling
【简答题】堆栈遵循 的数据存储原则,针对堆栈的两种操作为 和 。
【单选题】Birds were chattering somewhere, and occasionally he could hear a vehicle pass _______ on the highway.
A.
away
B.
through
C.
by
D.
out
【简答题】No one likes to hear constant chattering or___________ (high-pitched)laughing.
【简答题】堆栈遵循 的数据存储原则,针对堆栈的两种操作为 和 。
参考解析：
知识点：
题目纠错 0
发布
