1)ISNULL function is regraded as Transact-SQL function. 2)This function is used to replace NULL with the replacement value specified in second argument or from from the input expression it returns ...
Learn the differences between Is Null and IsNull() in Access Your email has been sent How many null values exist? What is the difference between a null value and a blank entry? This article answers ...
> 原文:[https://www . geesforgeks . org/is numeric-and-is null-function in-ms-access/](https://www.geeksforgeeks.org/isnumeric-and-isnull-function-in-ms-access ...
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