How to remove duplicates based on a key in Mongodb?

How to remove duplicates based on a key in Mongodb?

mongodb optimization duplicates key

mongodb

Fastest way to remove duplicate documents in mongodb

mongodb performance optimization duplicates

mongodb

mongodb index (reverse) optimization

mongodb optimization indexing

mongodb

Is there a fast way to do a '%phrase%' search in any DB?

mysql mongodb search optimization autocomplete

mongodb

Ridiculously slow mongoDB query on small collection in simple but big database

mongodb optimization query-optimization pymongo database

mongodb

When using $elemMatch, why is MongoDB performing a FETCH stage if index is covering the filter?

mongodb optimization indexing fetch

mongodb

MongoDB: forEach vs fetch + each

javascript performance mongodb optimization meteor

mongodb

Understanding Mongo Explain Index scanning to many results

mongodb optimization indexing

mongodb