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GowthamRaj K
2021-07-28 17:36:01 +05:30
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@@ -465,9 +465,7 @@ Following are some of the most commonly used constraints available in SQL −
- The NOT operator reverses the meaning of the logical operator with which it is used. Eg: NOT EXISTS, NOT BETWEEN, NOT IN, etc. This is a negate operator.
### OR
- The OR operator is used to combine multiple conditions in an SQL statement's WHERE clause.
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IS NULL
### IS NULL
The NULL operator is used to compare a value with a NULL value.