SUM(1) vs COUNT(1) Performance Battle - SQL in Sixty Seconds 177

Опубликовано: 28 Июнь 2021
на канале: Pinal Dave
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SUM(1) vs COUNT(1) Performance Battle. This video is created based on the response of all the viewers who have watched the following two videos and requested me to build this video.

COUNT(*) and Index
https://blog.sqlauthority.com/2021/06...

COUNT(*) and COUNT(1): Performance Battle
https://blog.sqlauthority.com/2021/06...

Additional Resources:
https://blog.sqlauthority.com/2021/06...
SET STATISTICS IO ON:
https://blog.sqlauthority.com/2020/10...

Subscribe for Free Performance Tuning Scripts: https://go.sqlauthority.com/

0:00 Intro
0:12 Real World Story
0:25 Two Important Resoureces
0:45 Demo: SUM(1) vs COUNT(*) Performance Battle
1:10 Set Statistics IO
1:20 Results: SUM(1) vs COUNT(*) Performance Battle
1:55 Summary

#SQLServer #PerformanceTuning #SQLAuthority