Become MongoDB Certified with updated C100DEV exam questions and correct answers
Suppose you're designing a MongoDB database for an online ticket booking system where millions of users can concurrently book tickets for various events. To maintain data consistency, you need to ensure that only one user can book a specific seat for an event at a time. Which MongoDB feature would you use to ensure data consistency in this high-concurrency situation?
What is the difference between a sparse index and a non-sparse index in MongoDB?
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