Using a Staging Environment for Tracking Down Bugs
A discussion why having a staging environment with data that mirrors production is vital to tracking down issues.
Being able to...
2011-06-08
2,138 reads
A discussion why having a staging environment with data that mirrors production is vital to tracking down issues.
Being able to...
2011-06-08
2,138 reads
A discussion about nightly populated tables and how they have reduced SQL Server load.
What’s more important – speed or data accuracy/quality...
2011-06-05
1,296 reads
Why OR conditions in join statements should be avoided and an example fix.
OR conditions and join statements – some things just...
2011-06-03
2,828 reads
A discussion of how BPS uses a SQL exercise for candidates and why it is helpful.
At the Boston Public Schools,...
2011-06-01
2,711 reads
A followup to a post about subqueries with an estimation for how long it would take for the query to...
2011-05-30
3,512 reads
A discussion of how views give a more denormalized means for querying against normalized tables.
Ad-hoc reports are frequently requested at...
2011-05-28
845 reads
A discussion of how NEWID can be used to help randomize the results returned from a SQL query.
A scenario I...
2011-05-26
1,148 reads
A discussion of how joins significantly outperform subqueries and how this is more evident when OR conditions are involved.
SQL queries...
2011-05-25
956 reads
Thank you to everyone reading this site - Please enjoy your stay!
HelpWithSQL has hit double digits in posts! I hope everyone...
2011-05-24
616 reads
A discussion about SQL joins and subqueries with information about how to format join statements properly.
In any non-trivial task, developers...
2011-05-22
1,110 reads
By Steve Jones
I wrote about learning today for the editorial: I Can’t Make You Learn. I...
By ReviewMyDB
Fabric has CI/CD built in, but if you've tried to use it for database...
By Steve Jones
attriage – n. the state of having lost all control over how you feel...
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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