This video is hosted on SQLPASS youtube channel: Neutralize Troublesome SQL Server Indexes – Fun Stories & Demos. Let us watch it.
Why the result we get is the result we get. The answer is very simple – it is because of the Logical Processing Order of the SELECT Statement.
DBAs from the client’s organization ended up an argument about how T-SQL works. The discussion was about the epic confusion about TOP and DISTINCT.
Recently while working with my client I ended up in a very interesting situation where my client wanted me to write an Efficient Query.
Is it possible that your statistics are many years old but still are valid? It is difficult to find Outdated Statistics is not as easy as it seems.