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INCLUDE [sql-asdb-asdbmi-asa-pdw-fabricse-fabricdw ... If a literal `NULL` is provided as *check_expression*, `ISNULL` returns the data type of the *replacement_value*. If a literal `NULL` is provided ...
ISNULL() function replaces NULL with a specified value. -- The ISNULL() function returns the replacement if the expression evaluates to NULL. -- Before returning a value, it implicitly converts the ...
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