SQL Window functions are an advanced type of function in SQL. In this post, you will learn about what SQL window functions are and how they can be used or work. What are SQL window functions? SQL ...

Recently I encountered a problem in a stored procedure that was caused by an unexpected result from the SQL Server ISNUMERIC() function. I was using SQL Server 2008 R2 but the issue has long been ...

I want to design a query to compute some returns for stock data and in searching the 'SQL Server Books Online' I find a very small and not so helpful at all help section on the lead and lag functions.