问题:
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.
● 参考解析
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