SQL Window Functions Series: LAG() and LEAD()
Dive deep into the powerful SQL window functions, LAG() and LEAD(). Explore their intricacies, discover real-world examples, and avoid common pitfalls.
2023-12-11
5,214 reads
Dive deep into the powerful SQL window functions, LAG() and LEAD(). Explore their intricacies, discover real-world examples, and avoid common pitfalls.
2023-12-11
5,214 reads
Learn to calculate Start / First of Week, End of Week, Start of Next Week, Year, Quarter, and Month of the week, Week Numbers and more in T-SQL (Jeff Moden)
2022-07-13
24,908 reads
2021-02-04
720 reads
2020-02-27
22,646 reads
Have you ever wanted to compute age, but the results from the DATEDIFF function seemed to be wrong some of the time? This tip covers why the DATEDIFF function does not always reliably compute age.
2012-05-23
4,752 reads
By Steve Jones
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Certain internal SQL Server actions cause internal checkpoints. Which of these actions does not cause an internal checkpoint?
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