2015-10-13
1,593 reads
T-SQL
2015-10-09
1,856 reads
2015-10-05
1,814 reads
2015-10-02
1,251 reads
How to Avoid Conditional JOINs in T-SQL
Relational databases go out of their way to execute SQL, however bad the crimes against Codd and relational theory within the query might be. The 'conditional join' can be executed, but at great cost. As always, it is much better to sit back and restate the problem in a set-based way - Dwain Camps explains.
2015-10-02
7,474 reads
Wildcard Searches
Using wildcard to find patterns in strings going from the basics to some more complicated conditions.
2017-02-10 (first published: 2015-09-29)
19,252 reads
2015-09-24
1,723 reads
2015-09-23
1,677 reads
2015-09-22
1,573 reads
T-SQL Window Functions Speed Phreakery
Before SQL Server had SQL window functions, SQL Server developers had to use all manner of tricks and algorithms to come up with ways to rapidly process large amounts of data. Do we need these techniques now that we can express a SQL task in terms of window functions? Kathi revisits a famous SQL challenge to find out.
2015-09-18
4,213 reads
Blogs
RANK() vs DENSE_RANK(): #SQLNewBlogger
By Steve Jones
I haven’t done one of these in awhile, but I saw an article recently...
Using CAT for Testing of Data Agents
In last months one of the scenarios where you can use AI has been...
Are you getting value from your reporting?
By ChrisJenkins
Do you spend so long manipulating your data into something vaguely useful that you...
Forums
Creating JSON II
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Engineer Lessons
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Question of the Day
Creating JSON II
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( N'City':N'Denver' RETURNING JSON) GOSee possible answers