Template
single collection
multiple collections
mgodatagen
update
indexe
explain
Stage
Database
bson
mgodatagen
[{"_id":"1","value":{"key_1":1,"key_2":2,"key_3":3,"key_4":4,"key_5":5}}]
Query
db.collection.update({"_id":"1"},{"$set":{"value.key_1":10,"value.key_4":40,"value.key_5":50}})
Result