MongoDB
C100DBA · Question #22
C100DBA Question #22: Real Exam Question with Answer & Explanation
The correct answer is D. db.posts.find({author:"Tom">,{tags:{$slice:2»). See the full explanation below for the reasoning.
Question
Consider the following posts document: Which of the following queries will return the documents but with only the first two tags in the tags array?
Exhibit
Options
- Adb.posts.find({author:"Tom"».limit({tags:2})
- Bdb.posts.find({author:"Tom"».limit($slice:{tags:2>)
- Ddb.posts.find({author:"Tom">,{tags:{$slice:2»)
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