Template
single collection
multiple collections
mgodatagen
update
indexe
explain
Stage
Database
bson
mgodatagen
[{"method":1,"item":1,"rank":1},{"method":2,"item":1,"rank":2},{"method":3,"item":1,"rank":3},{"method":4,"item":1},{"method":5,"item":1},]
Query
db.collection.find()
Result