Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

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.

I'm doing this in a stored proc using SQL Server.<BR><BR>Basically, I'm executing 1 SELECT statement and if that returns any rows then I want to do a SELECT INTO #Temp With criteria A.