Define Is Null Operator.

1.	Define Is Null Operator.
Answer» IS NULL operator is USUALLY USED to check if a COLUMNS value is NULL or not. IS NULL operator is usually used to check if a columns value is NULL or not.

Answer»

IS NULL operator is USUALLY USED to check if a COLUMNS value is NULL or not.

IS NULL operator is usually used to check if a columns value is NULL or not.

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