How does the buffer pool work?
Today we’ll begin taking a look at the buffer pool in SQL Server and how it’s normally used. Before we...
2019-01-23
205 reads
Born SQL with Randolph West
Database modelling in a post-SSMS world: dbForge Studio
A few months ago, Microsoft announced that SQL Server Management Studio (SSMS) will no longer include the visual Database Diagrams...
2019-01-16
233 reads
Back to the future
It’s January 2019 as I write this. I realized that I started on my journey with SQL Server in 1998,...
2019-01-09
232 reads
AzCopy finally gets a sync option, and all the world rejoices
I consider Blob Storage to be the gateway drug to Azure, because it’s a really easy way to get going...
2019-01-02
245 reads
Giving thanks in 2018
It’s the last post of 2018, and in years past I’ve recapped the year that has just been. This is...
2018-12-26
194 reads
Infrastructure matters, even in the Cloud
I am still amused by terminology in the Information Technology field. Words like “Kubernetes,” “containers,” and the BASIC keywords PEEK...
2018-12-19
280 reads
Some databases may show a NULL collation in the sys.databases DMV
While working on my Swart’s Ten Percent Rule post last week, I needed to test the Windows version of the...
2018-12-12
234 reads
Flagrantly ignoring the 10% rule
My friend Michael J. Swart has a rule of thumb he calls Swart’s Ten Percent Rule. If you’re using over...
2018-12-05
216 reads
Price increase for Azure in Canadian dollars
On 1 December 2018, Microsoft is increasing Azure subscription prices in Canadian dollars by 5%. The following is taken directly...
2018-11-28
245 reads
Dates and Times in SQL Server: DATEDIFF() and DATEDIFF_BIG()
Last time we looked at adding or subtracting date parts using the DATEADD() T-SQL system function. This week we see...
2018-11-21
381 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...
Forums
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