Answers for "mongo setting property deletes object"

remove property mongodb

db.myCollection.update({}, {$unset: {fieldToRemove:1}} , {multi: true});

Posted by: Guest on May-25-2020

mongodb delete document where field exists

db.users.remove({
    "$or": [
        { "firstName": { "$exists": false } },
        { "lastName": { "$exists": false } }
    ]
})

Posted by: Guest on November-04-2020

Code answers related to "mongo setting property deletes object"