ISNULL
Description
Replaces NULL with the specified replacement value. (ISNULL in Transact-SQL).
Sample Source Pattern
Syntax
ISNULL ( check_expression , replacement_value )
Examples
Code:
SELECT ISNULL(NULL, 'SNOWFLAKE') AS COMPANYNAME;
Result:
+-----------+
|COMPANYNAME|
+-----------+
|SNOWFLAKE |
+-----------+
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