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sql server - SQL Coalesce in WHERE clause - Stack Overflow
SQL Coalesce in WHERE clause Asked 16 years, 8 months ago Modified 16 years, 8 months ago Viewed 66k times
SQL - Difference between COALESCE and ISNULL? [duplicate]
What are the practical differences between COALESCE() and ISNULL(,'')? When avoiding NULL values in SQL concatenations, which one is the best to be used? Thanks!
How to use Coalesce in MySQL - Stack Overflow
A little help here I really don't understand how to use this coalesce in MySQL I have read all the pages in page 1 result of how to use coalsece in google result I know its meaning that it ret
sql - CASE inside a COALESCE - Stack Overflow
1 COALESCE will return the first value that isn't NULL In this case this would be the following
what is the difference between Coalesce and nullif
Did you mean the difference between coalesce and isnull? Have you read the documentation on coalesce, isnull, and nullif?
What is the difference between IFNULL and COALESCE in MySQL?
COALESCE can work with two or more arguments (in fact, it can work with a single argument, but is pretty useless in this case: COALESCE(a) ≡ a) While MySQL's IFNULL and MSSQL's ISNULL are limited versions of COALESCE that can work with two arguments only