Statistics and the Ascending Key Problem
I’ve mentioned previously how not having up to date statistics can cause problems in query performance. This post looks at something called the Ascending Key Problem which can badly...
2021-02-09
184 reads
Blog Posts
T-SQL Tuesday #135 – Awesome Tools
It’s blog party week for T-SQL Tuesday, and I think this is a good choice for a topic. The host this month is Mikey Bronowski, and his invitation is...
2021-02-09
168 reads
T-SQL Tuesday #135 – The Tools That Make My Job Awesome!
Blog posts have been few and far between from SQL Undercover lately but what better to try and get us back in the swing again than with T-SQL Tuesday....
2021-02-09
139 reads
T-SQL Tuesday #135 – Tools Used for Getting Organized
This month’s T-SQL Tuesday is being hosted by Mikey Bronowski. The subject he chose is “The outstanding tools of the trade that make your job awesome.” Tools are the...
2021-02-09
19 reads
T-SQL Tuesday #135: The outstanding tools of the trade that make your job awesome
It’s been a while since I’ve posted on a T-SQL Tuesday topic and glad to see the topic being discussed by Mike Bronowski (blog) on tools. Throughout my career,...
2021-02-09
155 reads
2020 Advent of Code–Day 1
This series looks at the Advent of Code challenges. I started the Advent of Code at the beginning of December 2020, but life quickly got in the way. Weekends...
2021-02-08 (first published: 2021-01-27)
268 reads
3 new PowerShell functions for refreshing Power BI reports on a Power BI Report Server
I just wanted to give everyone a heads-up that a new version of the ReportingServicesTools module went out last week, and it includes 3 new PowerShell functions for working...
2021-02-08 (first published: 2021-01-28)
745 reads
Daily Coping 8 Feb 2021
I started to add a daily coping tip to the SQLServerCentral newsletter and to the Community Circle, which is helping me deal with the issues in the world. I’m...
2021-02-08
29 reads
SQLpassion Online Training about Locking, Blocking, and Deadlocking
(Be sure to checkout the FREE SQLpassion Performance Tuning Training Plan - you get a weekly email packed with all the essential knowledge you need to know about performance...
2021-02-08
5 reads
SQLpassion Online Training about Locking, Blocking, and Deadlocking
(Be sure to checkout the FREE SQLpassion Performance Tuning Training Plan - you get a weekly email packed with all the essential knowledge you need to know about performance...
2021-02-08
100 reads
Blogs
KDA: Echoes of Deception - Case 6
By Zikato
A cryptic message, a book cipher hidden in art provenance records, and a trail...
Capturing My Own Metrics: #SQLNewBlogger
By Steve Jones
A customer was trying to compare two tables and capture a state as a...
Red Flags in Your Query (T-SQL Tuesday #200)
By Zikato
When I'm looking at a query, I bet it's bad if I see... a...
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BIT_COUNT II
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I Can't Make You Learn
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Why Your SQL Permissions Disappeared
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Question of the Day
BIT_COUNT II
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37 4 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers