Holding Code in Your Head
Steve has a few thoughts on software development and coding today when working in teams and trying to keep the entire solution in your head.
Understanding CRUD Operations Against Heaps and Forwarding Pointers
In this article, we examine how data changes are made against heaps.
How to Generate Fake Test Data for SQL Server
How to use a SQL random data generator to fill SQL Server tables with realistic test data, to shift left database unit testing, integration testing and performance testing so that it is performed during the early stages of database development.
SQL Server Memory Usage Query
Check out this SQL Server function that can return memory usage information for a SQL Server instance such as the amount of memory SQL Server is using and available memory on the machine.
No-code Software Engineering
The idea that software engineers might be better with no-code tools is a direction Steve thinks is misaligned with the problem. We should help developers learn to be better.
“Included columns” for non-clustered indexes explained
Learn about the advantages and disadvantages of using INCLUDE columns in your index.
Documentation. The Under Recognised Skill
Documentation may not be something we aspire to do, but it is a valuable skill.
Reducing the Frequency of SQL Server Central Newsletters
We are reducing the sending of the SQL Server Central newsletter to three days a week.
Power BI for Business Intelligence
Power BI is becoming widely used for reporting and data analysis. There are many different versions of Power BI and the features that are offered and this article provides an overview of what is available.
Running SQL Code Analysis during Flyway Migrations
A set of PowerShell automation script tasks for running database build and migrations tasks. This article describes the SQL code analysis task, which will check the syntax of the SQL code in your databases and your migration scripts for 'code smells'.
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
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BIT_COUNT II
Comments posted to this topic are about the item BIT_COUNT II
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