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GridFS uses a _________ index on the chunks collection for the files_id and n fields.

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GridFS uses a _________ index on the chunks collection for the files_id and n fields.

(a) unique

(b) single

(c) non unique

(d) none of the mentioned

I have been asked this question during an online exam.

Question is from GridFS in division GridFS, BSON Datatype and Administration Concepts of MongoDB

1 Answer

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Best answer
The correct answer is (a) unique

The explanation is: The files_id field contains the _id of the chunk’s “parent” document.

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