What is MySQL equivalent of the Nz
Function in Microsoft Access? Is Nz
a SQL standard?
In Access, the Nz
function lets you return a value when a variant is null. Source
The syntax for the Nz
function is:
Nz ( variant, [ value_if_null ] )
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Answer
The COALESCE()
function does what you describe. It’s standard SQL and it should be supported in all SQL databases.
The IFNULL()
function is not standard SQL. Only some brands of databases support this function.