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MongoDB C100DBA Exam - Topic 1 Question 54 Discussion

Posted by Erinn on Jun 28, 2022 at 03:30 AM

Addding the index {a:l} can potentially decrease the speed of which of the following operations? Check all that apply.

Suggested Answer: A, C

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11 comments · newest first
MA
Mabel 11 months ago
Definitely slows down updates and inserts.
JU
Jules 11 months ago
Surprised to hear that! I thought indexes only helped.
MA
Marisha 12 months ago
I think it might also affect inserts, right?
ST
Stefanie 12 months ago
Totally agree, especially with updates!
LY
Lynda 12 months ago
Adding an index can slow down updates.
MA
Margarita 1 year ago
I feel like I read that adding an index can slow down all write operations, but I can't recall the details.
TO
Tonja 1 year ago
I practiced a similar question, and I think the index might slow down the insert operation as well.
ED
Edda 1 year ago
I remember something about how indexes can make find operations faster, but I’m unclear about their impact on updates.
TO
Tonja 1 year ago
I think adding an index can slow down updates, but I'm not sure if it affects inserts too.
CA
Carol 1 year ago
Hmm, I'm not sure about this one. There are a few options that seem reasonable, but I'll need to think it through carefully.
MO
Monte 1 year ago
Okay, let's see here. I think the key is understanding how the pricing logic and cart line item object are used for these types of products. I'll need to focus on that.
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