Operator | Description | Example |
---|---|---|
$and | Selects documents where all passed in conditions are met. | {“$and”: [{“c_bpm”: {“$gt”: 70}}, {“c_bpm”: {“$lt”: 100}}]} |
$or | Selects documents where any passed in conditions are met. | {“$or”: [{“c_bpm”: {“$gt”: 70}}, {“c_bmi”: {“$gt”: 24.9}}]} |
$not | Evaluates to true if the property or expression evaluates to false. | {“$not”: “c_active”} |
$nor | Selects documents where none of the passed in conditions are met. | {“$nor”: [{“c_bpm”: {“$gt”: 70}}, {“c_bmi”: {“$gt”: 24.9}}]} |