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Azure Cosmos DB Intro

Cosmos DB falls into the “NoSQL” technology group, call it a buzz word if you like but it is very different to classic Relational Databases such as SQL Server....

2019-06-10

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Azure SQL Database Serverless

Quite a significant change has taken place within the Azure SQL Database space, more specifically the development of Azure SQL Database Serverless. Currently in preview mode this “compute” tier changes...

2019-05-14

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Blogs

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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

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I Can't Make You Learn

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Why Your SQL Permissions Disappeared

By deepeshdhake

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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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