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______ indexes can be constructed over arrays that hold both scalar values (e.g. strings, numbers) and nested documents.

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______ indexes can be constructed over arrays that hold both scalar values (e.g. strings, numbers) and nested documents.

(a) Hashed

(b) Unique

(c) Multikey

(d) Compound

The question was posed to me in unit test.

My query is from Index Types in division Index/Indexing Concepts of MongoDB

1 Answer

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Best answer
The correct choice is (c) Multikey

Easiest explanation: Store your location data as GeoJSON objects with this coordinate-axis order: longitude, latitude.

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