T-SQL

External Article

The Many Uses of Coalesce in SQL Server

  • Article

Many times people come across the Coalesce function and think that it is just a more powerful form of ISNULL. In actuality, I have found it to be one of the most useful functions with the least documentation. In this tip, I will show you the basic use of Coalesce and also some features you probably never new existed.

2008-07-03

7,361 reads

SQLServerCentral Article

Calculating Age

  • Article

T-SQL calculations can get tricky at times, and since you often work with multiple rows, it's good to be exact in your data manipulation. New author Lynn Pettis brings us an article about calculating ages.

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2009-03-13 (first published: )

26,006 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