Summary
In this chapter, you've taken a deep dive into many advanced features of MongoDB. You've explored the aggregation framework, honed your skills in querying, and learned the importance of indexing. With these tools in hand, you're better prepared to tackle complex database tasks and make the most of MongoDB. As you continue, apply what you've learned and keep building on this foundation.
In the next chapter, you will take an in-depth look at the aggregation framework, and explore the numerous aggregation stages and expression operators suitable for the most diverse problems.