To optimize SQL queries for NULL values ... t compare null value with these function , so I suggest to use if null function while using not in or not like function. Sometimes, you may want ...

[!INCLUDE [sql-asdb-asdbmi-asa-pdw-fabricse-fabricdw](../../includes/applies-to-version/sql-asdb-asdbmi-asa-pdw-fabricse-fabricdw.md)] Replaces `NULL` with the ...

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 ...

In SQL, a common error is caused by incorrect handling of NULL values. For example, comparing a column with NULL using the = operator will always return false, even ...