2015-09-22
1,573 reads
T-SQL
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
2015-09-30 (first published: 2015-09-17)
1,775 reads
2015-09-15
1,801 reads
2015-09-14
1,900 reads
2015-09-03
1,912 reads
2015-09-02
2,164 reads
2015-08-31
2,083 reads
2015-08-11
1,752 reads
2015-08-07
1,741 reads
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Can someone please explain what happens?
I have mentioned this several times over several years. Can someone please help me...
SELECT COUNT(DISTINCT) returns null when nothing is found instead of 0
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Question of the Day
Creating JSON III
In a SQL Server 2025 table, called Beer, I have this data:
BeerIDBeerName 1Becks 2Fat Tire 3Mac n Jacks 4Alaskan Amber 8KirinI run this code:
SELECT JSON_OBJECTAGG(
BeerID: BeerName )
FROM beer;
What are the results? See possible answers