2013-01-17
2,242 reads
2013-01-17
2,242 reads
2013-01-16
2,307 reads
Following on from the previous TSQL performance tuning article in this series, we now focus on the important topic of T-SQL “Not IN” And “Not Exists “
2013-01-16
7,301 reads
2013-01-14
2,297 reads
2013-01-14
8,212 reads
A UDF is very convenient for centralising business logic as we can specify a set of business logic in one UDF which references multiple stored procedures and ad-hoc queries. However, they can lead to significant performance degradation due to their demands on the CPU
2013-01-10
4,126 reads
2013-01-09
2,576 reads
I saw your recent tip on Calculating Mathematical Values in SQL Server and have some related issues as I try to round values in my application. My users and me have a difference of opinion on some of the calculations in our reporting applications. All of the code is in T-SQL, but I think the reporting issues are related to data types and rounding down or rounding up rules. Do you have any insight into these issues? I would like to see some examples with a variety of coding options.
2013-01-09
3,694 reads
2013-01-08
2,384 reads
2013-01-04
2,619 reads
By Steve Jones
“Don’t aim to have others like you; aim to have them respect you.” –...
Many years ago, before I joined Oracle, I was working on a major modernisation...
If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 3;See possible answers