about 1.5 minutes. I believe MySQL is creating a temporary table with the entire contents of the subquery where as SQL Server's optimizer is doing something smarter. In and of itself that wouldn't ...

In summary, subqueries and window functions are used for different purposes in SQL, and each has its strengths and weaknesses. Window functions are often more efficient and maintainable for ...

For this example you create a view descriptor, VLIB.ALLEMP, based on SYBASE data. The outer PROC SQL query retrieves data from the view descriptor; the subquery uses a Pass-Through query to retrieve ...