Prerequisite: List Collection Records

   db.users.find();

Reference

• https://docs.mongodb.com/manual/crud/

Task 1.1: Delete a Specific Record ( )

   db.users.remove({email:"nareshkumarh@live.com"});

    WriteResult({ "nRemoved" : 1 })

Task 1.2: Delete all Records in a collection

   db.users.remove({});

    WriteResult({ "nRemoved" : 2 })