2011-06-07
3,463 reads
2011-06-07
3,463 reads
If you are still using the old Sybase DateTime datatype, it is a good idea to move your code to the more standard datatypes that were introduced in SQL Server 2008. Joe Celko explains why, and walks through some of the history of the TSQL way of storing and manipulating dates and times.
2011-05-25
3,801 reads
2011-05-24
3,050 reads
2011-05-17
3,178 reads
2011-05-11
2,901 reads
2011-05-10
3,126 reads
The most persistent struggle in data processing has been to ensure clean data. There are many ways that data can be incorrect and a database must check, as best it can, that the data is correct. The CHECK constraint is ideally suited for this sort of work, and the checking routine can become quite complex when dealing with check digits in data.
2011-04-28
3,328 reads
This article examines the difference between adding a nullable column to a table or a column with a default value.
2011-04-27
5,393 reads
2011-04-26
3,146 reads
2011-04-25
3,055 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