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A Lost Day

I’m writing this in advance, as I usually recommend for all bloggers, because this is a lost day for me. I’m not going to experience May 27th, 2019 on...

2019-05-27

39 reads

Cup and Saucer

Weekly reading #15

SQLDay 2019 is gone. The Data Community.PL has now a new goal – it is the SQL Saturday #914 in Torun. The speakers will be announced after July 30th....

2019-05-27

23 reads

Blog Post

Last Weeks Reading (2019-05-26)

It was tremendously extensive week for me (a week ago) when I spent time between two conferences: SQLDay (Wroclaw, Poland) and SQL Saturday #857 (Kiev, Ukraine). I’ve been helping...

2019-05-26

14 reads

Blogs

KDA: Echoes of Deception - Case 6

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A cryptic message, a book cipher hidden in art provenance records, and a trail...

Capturing My Own Metrics: #SQLNewBlogger

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A customer was trying to compare two tables and capture a state as a...

Red Flags in Your Query (T-SQL Tuesday #200)

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When I'm looking at a query, I bet it's bad if I see... a...

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BIT_COUNT II

By Steve Jones - SSC Editor

Comments posted to this topic are about the item BIT_COUNT II

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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       NULL
What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 4;

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