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Which two statements about subqueries are true? ()

多选题
2022-05-21 00:18
A、A single row subquery can retrieve data from only one table.
B、A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.
C、A SQL query statement can display data from table B that is referred to in its subquery, without including B in its own FROM clause.
D、A single row subquery can retrieve data from more than one table.
E、A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.
F、A multiple-row subquery cannot be used in an INSERT statement to insert multiple rows at a time.
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正确答案
D | F

试题解析

标签: 1Z0-007
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