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 ...

> 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 ...

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 ...

The ISNULL function in Google BigQuery is used to check if a value is null. It returns true if a value is null and false if a value is not null. The code above checks if the value of the column ...