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matthewmcgiffen.com | ||
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erikdarling.com
[AI summary] A SQL Server consultant discusses challenges with foreign key constraints and deadlock issues caused by an eager index spool in a merge operation, leading to the decision to disable the foreign key to improve performance. |
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explainextended.com
A series of articles on selecting records holding group-wise maximum. This article covers two ways to return such records with ties: DENSE_RANK and CROSS APPLY / TOP 1 WITH TIES |
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blog.sqlterritory.com
In this post, I'm checking if Foreign Key constraints check does updates index usage statistics DMV. I also provide quick demo code I used for my test. |
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blobeater.blog
T-SQL Tuesday #86: SQL Server Bugs & Enhancement Requests hosted by Brent Ozar. https://www.brentozar.com/archive/2017/01/announcing-t-sql-tuesday-87-sql-server-bugs-enhancement-requests/ I did not want to miss out on this one because I want to mention a connect item that I logged last year which is still active. This is an enhancement request for SQL Server where I got the idea from... |
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