Template
single collection
multiple collections
mgodatagen
update
indexe
explain
Stage
Database
bson
mgodatagen
[{"key":1,entries:[{name:"frank",age:15,email:"frank@email.com"},{name:"daniel",age:18,email:"daniel@email.com"}]}]
Query
db.collection.find({"entries.name":"frank","entries.email":"daniel@email.com"})
Result