MongoDB Exam C100DBA Topic 1 Question 12 Discussion

Actual exam question for MongoDB's C100DBA exam

Question #: 12
Topic #: 1

Below is a sample document in a given collection test.

{ a : 5, b : 3, c: 2, d : 1 >

Given a compound index { a: 1, b:l, c:l, d:l}, Which of the below query will not use in-memory sorting? Select

all valid.

Adb.test.find( { a: 5, b: 3 } ).sort( { c: 1, d : 1 } )

Bdb.test.find( { a: 5, b: 3 } ).sort( { a: 1} )

Cdb.test.find( { a: 5, b: 3 } ).sort( { a: 1, b: 1, c: 1 > )

Ddb.test.find( { a: 5, b: 3 } ).sort( {c: 1 } )

Show Suggested Answer

Suggested Answer: A, D

by Teddy at May 05, 2022, 05:59 PM

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