Yesterday I wrote a blog post on the topic SQL SERVER – COUNT(*) and Index Used, lots of people asked me to follow up question.
MS Access – Count Distinct Values
I love answering random questions and particularly when they are from my paying clients. Let me answer about MS Access and Count Distinct Values.
SQL SERVER – Identity Column is Difficult to Remove
I discuss this during Comprehensive Database Performance Health Check. It is true that the identity Column is Difficult to Remove.
SQL SERVER – COUNT(*) and Index Used
DBA suspects those operations are using lots of clustered index scans. Let us discuss today COUNT(*) and Index Used. Let’s learn.
Index Scans – Good or Bad? – SQL in Sixty Seconds #174
Index Scans – Good or Bad? Lots of people ask about this question and I have built a blog post on the topic – SQL SERVER – Index Scans are Not Always Bad.
SQL SERVER – Index Scans are Not Always Bad
Are Index Scans Bad? The answer No. Index Scans are Not Always Bad. This was in-depth discussed with my client during the Health Check.
Optimize for Ad Hoc Workloads – SQL in Sixty Seconds #173
Today we are going to discuss if we should keep Optimize for Ad Hoc Workloads true or false. Let us see a detailed video about it.