Regarding the interchangeability of subqueries and joins,________.
A)a join can always be used as an alternative to a subquery,and a subquery can always be used as an alternative to a join
B)a join can sometimes be used as an alternative to a subquery,and a subquery can sometimes be used as an alternative to a join
C)a join can always be used as an alternative to a subquery,and a subquery can sometimes be used as an alternative to a join
D)a join can sometimes be used as an alternative to a subquery,and a subquery can always be used as an alternative to a join

Question

Quizplus · Accepted Answer

While a join can sometimes be used as an alternative to a subquery and a subquery can sometimes be used as an alternative to a join, it is not always the case. The choice to use one over the other depends on several factors such as the complexity of the query, the size of the tables involved, and the performance requirements. So, option B is the best answer.

Regarding the Interchangeability of Subqueries and Joins,________