试题详情
- 多项选择题Which three statements about subqueries are true? （）
A、Asinglerowsubquerycanretrieveonlyonecolumnandonerow.
B、Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns.
C、Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.
D、Amultiplerowsubquerycanbecomparedusingthe"；>；"；operator.
E、AsinglerowsubquerycanusetheINoperator.
F、Amultiplerowsubquerycanusethe"；="；operator.
- B,C,E
关注下方微信公众号，在线模考后查看
热门试题
- You plan
- Given：
- Which three
- A subquery can be us
- Given: Whatistheres
- Examine the descrip
- 以下对于SQL比较运算符ANY和ALL的
- You have
- Which setting&
- You executed&e
- 下列哪个对象属于模式对象（）。
- The EMPLOYEES table
- TheuserSYScreatesajo
- In a recent Automat
- Examine the&en
- 只能存储一个值的变量是哪种变量？（）
- Which statemen
- Given: Underwhichth
- You are
- You are maintaining