Shulou(Shulou.com)05/31 Report--

This article will explain in detail what is the principle of tempdb logging mechanism in SqlServer. The content of the article is of high quality, so the editor will share it with you for reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

Test case

We create similar objects in the user database (testpage) and tempdb, and create non-temporary tables in tempdb, then execute the corresponding insert scripts (to generate logs), and record the execution time to compare and explain that tempdb is "fast".

Code

User database testpage

Use testpagegocreate table T1 (id int identity (1) not null,str1 char (8000)) declare @ t datetime2=sysutcdatetime () declare @ I intset @ i=1while (@ I

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