If you want to return only unique keys/fields in mongo query while searching inside a collection:
db.users.distinct("name")If you want to know how many entries were returned:
db.users.distinct("name").lengthIf you want to return only unique keys/fields in mongo query while searching inside a collection:
db.users.distinct("name")If you want to know how many entries were returned:
db.users.distinct("name").length