Why my way of writing SQL is superior
⚠️ It’s hard to convey sarcasm over the text. I’m putting this disclaimer at the top so I don’t come off egoistic. This post is meant as hyperbole, and...
2022-04-13
24 reads
Zikato
Query Hash and Query Plan Hash Mapping
The problem
As a fan of Dynamic Management Objects (DMOs), Query Store and Extended Events, I often work with the Query Hash and Query Plan Hash (I’ll refer to them...
2022-04-11
46 reads
KEEP PLAN Demystified
Foreword
I was always wondering what the KEEP PLAN hint does. The documentation isn’t very specific (emphasis mine):
Forces the Query Optimizer to relax the estimated recompile threshold for a query.
In...
2022-04-07
82 reads
Blogs
The Book of Redgate: Products
By Steve Jones
We are product focused at Redgate Software. Here is another of our values that...
KDA: Echoes of Deception - Case 7
By Zikato
A fugitive cyber-criminal, a wingsuit, and 24 million flight records. Somewhere between Doha and...
Do This Before You Contact Your SQL Server Consultant
Say you need outside help. You’ve exhausted all the things that you could do...
Forums
Implicit Conversions Cripple SQL Server
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BIT_COUNT() III
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The Mythical Bus Accident
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Question of the Day
BIT_COUNT() III
In SQL Server 2025, I run this code:
select bit_count(-1)What is returned? See possible answers