SQL ANY Operator – A Beginner’s Guide
Introduction In this article, we are going to see how the ANY operator works in SQL using it with a subquery or a VALUES clause, as well as its NULL value handling behavior.
SQL EXISTS and NOT EXISTS
Introduction In this article, we are going to see how the SQL EXISTS operator works and when you should use it. Although the EXISTS operator has been available since SQL:86, the very first edition of the SQL Standard, I found that there are still many application developers who don’t realize how powerful SQL subquery expressions really are when it comes to filtering a given table based on a condition evaluated on a different table.
