A subquery can be nested inside the WHERE or HAVING clause of an outer SELECT, INSERT, UPDATE, or DELETE statement, or inside another subquery. Up to 32 levels of nesting is possible, although the ...

This commit works around this limitation by planning subqueries within UDFs as lazily evaluated routines, which have their own machinery for evaluation. Subqueries for the top-level statement are ...

Hello All,Got myself an Oracle problem that I can't seem to find a good way to solve. I'm running a query that is trying to join 2 tables. 1 table can be thought of as the current information ...

Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier.