Earlier I wrote two blog post on the topic of COUNT(*) and Index and today I have to build a video on that topic as many of you really wanted.
SQL SERVER – COUNT(*) and Index Used – Part 2
Yesterday I wrote a blog post on the topic SQL SERVER – COUNT(*) and Index Used, lots of people asked me to follow up question.
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.
SQL SERVER – Top 1 and Index Scan
Scans are not always bad they are there because they are needed. Let us see a very simple demonstration about Top 1 and Index Scan.
SQL SERVER – Maximum Column Per Index – 32
Well, the answer is you can have 32 Maximum Column Per Index but that does not mean you should have 32 indexes. Let us learn today.