Template
single collection
multiple collections
mgodatagen
update
indexe
explain
Stage
Database
bson
mgodatagen
[{"Data":"Chocolate","Company":"FiveStar"},{"Data":"Biscuit","Company":"Parle"},{"Data":"Chocolate","Company":"DairyMilk"}]
Query
db.collection.aggregate([{$match:{Data:"Chocolate"}},{$count:"count"}])
Result