Definitions for "Logical operator"
Keywords:  boolean, xor, eqv, neqv, falsity
an operator, such as AND, that combines logical values (true, false) to produce a logical result.
A symbol that represents an operation on logical expressions: .NOT. (logical negation) .AND. (logical conjunction) .OR. (logical union) .EQV. (logical equivalence) .NEQV. (logical nonequivalence) .XOR. (logical exclusive disjunction)
see Boolean Searching
an entity used to formulate, in a database for example, logical selection conditions of records depending from field values. See SQL.