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How to Test Trace Flag 3625

Recently, one of my customers considered enabling Trace Flag 3625 on one of their SQL Servers, but they wanted a way to quickly test its functionality beforehand. For those...

2023-12-22 (first published: )

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Blog Post

Set-Based vs Row-Based Database Code

In SQL Server, the terms “set-based” and “row-based” refer to different approaches or styles of writing SQL code to manipulate data. These styles have implications for performance, readability, and...

2023-12-18 (first published: )

610 reads

Blogs

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SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About

By Terry Jago

Comments posted to this topic are about the item SQL Art, Part 4: Happy...

SQL Server Enum Implementation: A Single-Row View Strategy for Avoiding Magic Values

By Ivica Borscak

Comments posted to this topic are about the item SQL Server Enum Implementation: A...

BIT_COUNT I

By Steve Jones - SSC Editor

Comments posted to this topic are about the item BIT_COUNT I

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Question of the Day

BIT_COUNT I

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data: 

UserID  UserPermissions
15
23
37
What is returned when I run this code: 
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 3;

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