Template
single collection
multiple collections
mgodatagen
update
indexe
explain
Stage
Database
bson
mgodatagen
[{managers:[{userID:1,key:"value"},{userID:2},{userID:3},{userID:4},]}]
Query
db.collection.update({"managers.userID":1},{"$pull":{"managers":{"userID":{"$in":[1,2]}}}})
Result