试题详情
- 多项选择题Which two statements are true regarding subqueries? （）
A、A subquery can retrieve zero or more rows
B、Only two subqueries can be placed atone level
C、A subquery can be used only in SQL query statements
D、A subquery can appear on either side of a comparison operator
E、There is no limit on the number of subquery levels in the WHERE clause of a SELECT statement
- A,D
关注下方微信公众号，在线模考后查看
热门试题
- Which SQL statement
- You need to change t
- You want
- Using the̳
- Which SQL statement
- In which scenario wo
- Given： When th
- You are m
- Which four are corre
- Examine the exhibit
- Which two̳
- You plan
- 带有（）字句的SELECT语句可以在表的
- Which describes the
- User A ex
- Examinethefollowingc
- Evaluate the follow
- Which three
- Which statemen
- You are u