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
4,447 reads
DateDiff
How to Find the Start and End Dates for the Current Week (and more)
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
22,621 reads
2021-02-04
718 reads
2020-02-27
22,422 reads
Work around for calculating age using the SQL Server DateDiff function
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
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One more reason to use foreign key constraints
Comments posted to this topic are about the item One more reason to use...
client_app_name is empty in Extended Events output but present in sp_who2
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How to compare data in customer table with other customers to find related cust
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Question of the Day
The Marked Transaction
I want to mark a transaction in the log as a recovery point. How do I do this in my code if I use the transaction, myTran?
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