Summary
In this chapter, you delved deeply into the aggregation framework, exploring the possibilities and understanding how various stages and expression operators can be employed to tackle a wide range of problems.
You learned about aggregation stages and operators, examining real-life databases from Atlas that effectively demonstrate essential functionalities. The chapter included valuable tips and suggestions designed to make you proficient as quickly as possible, with a focus on practical and advanced functionalities.
In the next chapter, you will see how MongoDB handles multi-document ACID transactions, and the significance this concept has in sectors with strict requirements, such as finance, fintech, and mission-critical applications.