Well, the answer is pretty straight forward and that is what we are going to see in today’s video of One Scan for 3 Count Sum.
SQL Server – Single Scan for 3 Operations – COUNT(*) COUNT(1) SUM(1)
Today we will take the same conversation to the next level by discussing Single Scan for 3 Operations – COUNT(*) COUNT(1) SUM(1).
SUM(1) vs COUNT(1) Performance Battle – SQL in Sixty Seconds #177
Based on my recent two videos, I got lots of questions about SUM(1) vs COUNT(1) Performance Battle. Let us see that in today’s video.
SQL SERVER – SUM(1) vs COUNT(*) – Performance Observation
One question that kept on coming up was SUM(1) vs COUNT(*) – Performance Observation. Well, let us see that today.
SQL SERVER – COUNT(*) Collection of Articles
Today we are building a Collection of Articles that have recently generated interest on the blog as well as on the YouTube channel – Â SQL in Sixty Seconds.Â
COUNT(*) and COUNT(1): Performance Battle – SQL in Sixty Seconds #176
COUNT(*) and COUNT(1): Performance Battle – which one is better for performance? I got this question after watching my previous video.
COUNT(*) and Index – SQL in Sixty Seconds #175
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.