How I tackle disaster recovery
One of my special interests as an autistic person is understanding mechanical components of a computer, both analog and digital. In the olden days, we had devices known as...
2021-05-26
28 reads
Born SQL with Randolph West
A quick primer on binary and hexadecimal
A few years ago, I wrote that a CPU is “a hot mess of on-off switches.” There’s more to it than that when you get into the weeds of...
2021-05-31 (first published: 2021-05-19)
432 reads
T-SQL Tuesday Retrospective #015: Automation
In February 2011, Pat Wright invited us to talk about Automation: So the topic I have chosen for this month is Automation! It can be Automation with T-SQL or...
2021-05-12
13 reads
T-SQL Tuesday Retrospective #014: Resolutions
At the end of 2010, Sean McCown (blog | Twitter) invited us to talk about resolutions: Things like getting certified, or perfecting a process, or taking management classes, etc...
2021-05-05
15 reads
Ambling through undocumented DBCC commands may result in boredom
There comes a time when we heed a certain call. The call is to avoid dangerous undocumented DBCC commands in SQL Server, especially those that bypass built-in protections. I’m...
2021-04-28
17 reads
Calgary Data User Group with Deborah Melkin and Andy Yun
Next week on Wednesday is the Calgary Data User Group’s second event for 2021, and the second event as a member of Microsoft’s new Azure Data Community. Since last...
2021-04-21
18 reads
T-SQL Tuesday Retrospective #013: What the business wants
Click here to read previous retrospective entries. From Steve Jones (blog | Twitter) in December 2010 comes the question “What issues have you had in interacting with the business to get your...
2021-04-15 (first published: 2021-04-14)
183 reads
Upcoming speaking engagements
The last time I presented a session was at the final PASS Summit in November 2020, so it is time to get back on the virtual conference trail again....
2021-04-07
13 reads
Zeroing out a transaction log file does not use zeroes
I’ve been doing SQLskills training recently, and Paul Randal (blog | Twitter) reminded our class that zeroing out a transaction log file does not use zeroes (0x00). Well, not...
2021-03-31
42 reads
What is a community advisory board anyway?
For those of us who have been involved in the Microsoft Data Platform community for a few years, the events of the last few months have been dramatic, culminating...
2021-03-24
22 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