MongoDB Query Language (MQL) Logical Query Operators
$and
The `$and` operator performs a logical AND operation on an array of expressions and retrieves documents that satisfy all the expressions.
$nor
The `$nor` operator performs a logical NOR operation on an array of expressions and selects documents that fail all the specified expressions.
$not
The `$not` operator performs a logical NOT operation on a specified expression and selects documents that don't match the expression.
$or
The `$or` operator performs a logical OR operation on an array of expressions and retrieves documents that satisfy at least one of the specified conditions.