Jeffrey Williams


Technical Article

Fiscal/Retail 4-5-4 Calendar Function

This function returns a 3 year calendar based on a 4-5-4/5-4-4/4-4-5 calendar, also known as a 52/53 week calendar.  The basis of this calendar function was derived from the NRF retail calendar published at https://nrf.com/resources/4-5-4-calendar and the Wikipedia article published at https://en.wikipedia.org/wiki/4%E2%80%934%E2%80%935_calendar. The calendar function requires 2 helper functions.  The helper functions were derived from […]

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2020-09-21 (first published: )

2,957 reads

Technical Article

Calculating Easter in SQL

Several months ago someone commented on a calendar thread that you should not even try to calculate Easter in SQL Server because the math was too hard.  That got me to thinking and I decided to see if that was actually the case. I found that there are several well known algorithms available - but […]

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2020-04-06 (first published: )

5,062 reads

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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
8Kirin
I run this code:
SELECT JSON_OBJECTAGG(
    BeerID: BeerName )
FROM beer;
What are the results?

See possible answers