MongoDB Exam C100DBA Topic 1 Question 40 Discussion

Actual exam question for MongoDB's C100DBA exam

Question #: 40
Topic #: 1

Consider a collection posts which has fields: Jd, post_text, post_author, post_timestamp, post_tags etc. Which of the following query retrieves ONLY the key named post_text from the first document retrieved?

Adb.posts.finOne({},{_id:0, post_text:1})

Bdb.posts.findOne({post_text: 1})

Cdb.posts.find({},{_id:Of post_text:1})

Ddb.posts.finOne},{post_text:l})

Show Suggested Answer

Suggested Answer: A

by Evangelina at May 03, 2022, 07:20 AM

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