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MongoDB.C100DEV.v2023-03-11.q87
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Question 41/87

Suppose you added the following index to a products collection: { product_category: 1 } Which of the following operations can potentially decrease performance?

A. db.products.insertOne( { product_category: 'clothes' } )

B. db.products.find( { product_category: 'clothes' } )

C. db.products.updateOne( { product_category: 'shoes' }, { $set: company: 'Nike' } )

Correct Answer: A,C

The updateOne and insertOne operations are correct because adding indexes affects write performance.

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