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Logical Operators (Transact-SQL)

Applies To: SQL Server 2014, SQL Server 2016 Preview

Topic Status: Some information in this topic is preview and subject to change in future releases. Preview information describes new features or changes to existing features in Microsoft SQL Server 2016 Community Technology Preview 2 (CTP2).

Logical operators test for the truth of some condition. Logical operators, like comparison operators, return a Boolean data type with a value of TRUE, FALSE, or UNKNOWN.

Operator

Meaning

ALL

TRUE if all of a set of comparisons are TRUE.

AND

TRUE if both Boolean expressions are TRUE.

ANY

TRUE if any one of a set of comparisons are TRUE.

BETWEEN

TRUE if the operand is within a range.

EXISTS

TRUE if a subquery contains any rows.

IN

TRUE if the operand is equal to one of a list of expressions.

LIKE

TRUE if the operand matches a pattern.

NOT

Reverses the value of any other Boolean operator.

OR

TRUE if either Boolean expression is TRUE.

SOME

TRUE if some of a set of comparisons are TRUE.

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