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Point out the correct statement.

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Point out the correct statement.

(a) Secondary indexes allow applications to store a view of a portion of the collection in an efficient data structure

(b) MongoDB has full support for secondary indexes

(c) Most indexes store an ordered representation of all values of a field or a group of fields

(d) All of the mentioned

I have been asked this question in my homework.

Asked question is from CRUD Concepts in portion MongoDB CRUD Concepts and Operation of MongoDB

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Right choice is (b) MongoDB has full support for secondary indexes

To elaborate: Secondary indexes are used to enhance the performance of common queries and updates.

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