How Do I Use Isnull in Sql
Expression Is an Expression of Any Type That Is Checked for Null. Replacement Is the Value to Be Returned If the Expression Is Null. the Replacement Must Be...
expression is an expression of any type that is checked for NULL .replacement is the value to be returned if the expression is NULL . The replacement must be convertible to a value of the type of the expression .
How do I use Isnull condition in SQL?
- expression is an expression of any type that is checked for NULL .
- replacement is the value to be returned if the expression is NULL . The replacement must be convertible to a value of the type of the expression .
IS NULL function in SQL with example?
We can use SQL ISNULL to replace existing NULL values with a specific value. For example, we want to return Employee salary 10,000 if it is NULL in the Employee table. In the following query, we used SQL ISNULL function to replace the value.
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