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Is Tempdb Causing a Bottleneck?

One of your SQL Server instance shows a major dip in performance or throughput, affecting all the user databases. You notice that the slow interludes coincide, as if orchestrated. On investigation, it appears that several transactions running over that period were using a lot of space in tempdb. However, which of them, if any, are causing the tempdb bottleneck, and why?

2021-01-26

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Question of the Day

QUOTENAME Behavior

I use QUOTENAME() like this in code?

DECLARE @s VARCHAR(20) = 'Steve Jones'
SELECT QUOTENAME(@s, '>')
What is returned?

See possible answers