Operators
$expr
The $expr operator is used for querying or updating documents.
$expr
The $expr operator is used for querying or updating documents.
Syntax
{ field: { $expr: value } }Example
{ age: { $expr: 20 } }The $expr operator is used for querying or updating documents.
The $expr operator is used for querying or updating documents.
{ field: { $expr: value } }{ age: { $expr: 20 } }