Summary
In this chapter, you discovered MongoDB indexes, their types, and their uses. You explored how carefully crafted indexes can speed up your queries, and gained insights into best practices for database optimization. You learned about single-field indexes, compound indexes, wildcard indexes, and multikey indexes, illustrating how each can contribute to optimizing queries and aggregations.
Additionally, the chapter delved into specialized indexes, including geospatial, hidden, and the newly introduced compound wildcard index, addressing the challenge of indexing fields not known in advance. Finally, it delved into tips and strategies for constructing optimized indexes to maximize the efficiency of your queries.
In the next chapter, you will learn about MongoDB Atlas—the most advanced cloud database service on the market.
