Template
single collection
multiple collections
mgodatagen
update
indexe
explain
Stage
Database
bson
mgodatagen
[{"id":1,"key":"yes"},{"id":2,"key":"no"},{"id":3,"key":"yes"},{"id":4,"key":"no"},{"id":5,"key":"yes"},{"id":6,"key":"no"}]
Query
db.collection.find({"key":"yes"})
Result