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MongoDB Exam C100DBA Topic 1 Question 76 Discussion

Actual exam question for MongoDB's C100DBA exam

Question #: 76
Topic #: 1

[All C100DBA Questions]

Which of the following aggregate commands in MongoDB uses a pipeline approach with the goals of improving the aggregation performance?

AmapReduce

Bgroup

Caggregate

DAll of the above

Show Suggested Answer

Suggested Answer: A

by Minna at Oct 18, 2023, 06:14 AM

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Edelmira

1 months ago

Ah, the age-old question: which MongoDB aggregate command is the fastest? I'm going to go with C and hope I don't end up in an infinite loop of aggregation.

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Gerri

15 days ago

User2: I agree, I've had good performance using the aggregate command.

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Dortha

16 days ago

User1: I think C) aggregate is the fastest one.

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Ula

1 months ago

Wait, is this a trick question? If the aggregate command is the one with the pipeline, then why would the other options even be there? I hope the exam isn't full of these types of curveballs!

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Catina

1 months ago

Hmm, the pipeline approach for aggregation? Sounds like they're trying to make our lives easier by optimizing the performance. C gets my vote!

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Edna

1 months ago

All of the above? I'm pretty sure the aggregate command is the one that uses a pipeline. Group and mapReduce have their own unique approaches.

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Tresa

2 months ago

The pipeline approach in the aggregate command definitely sounds like the way to go for improved performance. I'm going with C on this one.

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Rory

2 days ago

Yes, C) aggregate uses a pipeline approach to improve aggregation performance.

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Pamella

15 days ago

I think C) aggregate is the correct choice for this question.

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Ashton

19 days ago

I agree, the pipeline approach in the aggregate command is definitely the way to go for improved performance.

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Hoa

2 months ago

I'm not sure, but I think D) All of the above could also be correct since it includes all options.

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Benton

2 months ago

I agree with Glory, because aggregate uses a pipeline approach to improve performance.

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Glory

2 months ago

I think the answer is C) aggregate.

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