The Subtle Differences Between COALESCE and ISNULL
See how ISNULL and COALESCE behave in different situations and ensure you know which one to pick when.
2025-04-18
5,151 reads
Coalesce()
2025-04-02
1,964 reads
Using Coalesce to Clean Up Reports
One of the lesser used functions is COALESCE(), used to allow you to return one value from a list of those that are potentially NULL. This short pieces gives a few examples where this is useful?
2021-08-16
4,431 reads
2018-05-18
979 reads
2016-01-29
1,687 reads
COALESCE in SQL Server
Sandeep Mittal provides an introduction to the COALESCE function and shows how to use it.
2015-11-25
4,572 reads
2013-09-20
2,717 reads
2013-06-03
2,613 reads
2012-11-09
2,218 reads
2012-10-17
2,562 reads
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Question of the Day
BIT_COUNT() III
In SQL Server 2025, I run this code:
select bit_count(-1)What is returned? See possible answers