You would like to know how many different categories you have. Which query will best get the job done?

🎲 Try a Random Question  |  Total Questions in Quiz: 81  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
MongoDB Quiz — practice the complete quiz, review flashcards, or try a random question.

MongoDB MCQs For LinkedIn Skill Assessments.


You would like to know how many different categories you have. Which query will best get the job done?