Question

Point out the wrong statement.

(a) Indexes cannot enforce uniqueness in collection

(b) CRUD stands for create, read, update, and delete

(c) CRUD application is the most simplest application

(d) All of the mentioned

The question was asked during an interview.

The query is from CRUD Concepts in chapter MongoDB CRUD Concepts and Operation of MongoDB

Answer 1

The correct answer is (a) Indexes cannot enforce uniqueness in collection

For explanation: Indexes may also enforce uniqueness, store objects in a geospatial representation, and facilitate text search.