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Logical Operators

Use logical operators to perform AND, OR, and NOT operations.

Logical operators can return true, false, or null.

Operator Name Description
&& (and) Logical AND See table.
|| (or) Logical OR See table.
! (not) Logical NOT See table.

The following tables show how nulls are handled in logical operations.

x y x && y x || y
True True True True
True False False True
True Null Null True
False True False True
False False False False
False Null False Null
Null True Null True
Null False False Null
Null Null Null Null
x !x
True False
False True
Null Null