เทคนิคการสืบค้นขั้นสูงด้วย Boolean Operators

In Postgres, the Boolean datatype is designed to store truth values A Boolean column can hold one of three states true, false,

You can pass boolean variables into any IDL function that accepts byte data

boolean In computing, the term Boolean means a result that can only have one of two possible values: true or false Boolean logic takes two statements or expressions

boolean Boolean expressions Boolean values are values that evaluate to either true or false , and are represented by the boolean data type