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
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Coalesce()
2025-04-02
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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
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2018-05-18
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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
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2013-09-20
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2013-06-03
2,617 reads
2012-11-09
2,218 reads
2012-10-17
2,565 reads
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Managing Incidents and Fighting Fires
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Backing Up a DMK
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Question of the Day
Backing Up a DMK
In SQL Server 2025, I have a database with a Database Masker Key (DMK). I want to back up this key and keep a copy offline. When do I have to open this key before running the backup?
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