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Question

Point out the wrong statement.

a.

MongoDB can query for locations contained entirely within a specified polygon

b.

MongoDB require an index for inclusion queries; however, such indexes will improve query performance

c.

Indexes on embedded fields allow you to use a “dot notation,” to introspect into embedded documents

d.

None of the mentioned

Answer: (b).MongoDB require an index for inclusion queries; however, such indexes will improve query performance

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Q. Point out the wrong statement.

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