Expressions may be linked together or negated using the Boolean logical operators and, or, and not, all of which are Python keywords. The not operator has the highest precedence and is immediately one ...

You can combine or modify WHERE expressions by using the logical operators (also called Boolean operators) AND, OR, and NOT. The basic syntax of a compound WHERE expression is: WHERE ...

Boolean algebra makes it possible to use the same kinds of algebraic techniques we use to solve normal equations involving numbers to establish logical relationships.

Characteristic Boolean Expressions Tests of characteristics associated with PUIDs are made in a form or mathematical logic known as a Boolean expression (after George Boole who invented it). A Boolean ...