By MEBRATU Sun, Dec 16, 2018 at 08:34 PM (5 years ago )
Updated On Fri, Nov 04, 2022 at 03:08 PM (2 years ago)
Updated On Fri, Nov 04, 2022 at 03:08 PM (2 years ago)
C H A P T E R 4
Subqueries
SQL supports writing queries within queries, or whose result set is returned to the caller and is known as the nesting queries. The outermost query is a query outer query. The inner query is a
query whose result is used by the outer query and is known as a subquery. The inner...