6.5. Summary

We’ve covered a lot in this chapter. The variety of updates may at first feel like a lot to take in, but the power that these updates represent should be reassuring. The fact is that MongoDB’s update language is as sophisticated as its query language. You can update a simple document as easily as you can a complex, nested structure. When needed, you can atomically update individual documents and, in combination with findAndModify, build transactional workflows.

If you’ve finished this chapter and feel like you can apply the examples here on your own, then you’re well on your way to becoming a MongoDB guru.