Database Reference
In-Depth Information
5.5
Summary
Queries and aggregations make up a critical corner of the MongoDB interface. So
once you've skimmed this chapter's reference, you're encouraged to put the query
and aggregation mechanisms to the test. If you're ever unsure of how a particular
combination of query operators will serve you, the shell is always a ready test bed.
We'll be using MongoDB queries pretty consistently from now on, and the next
chapter is a good reminder of that. There, we tackle document updates. Since queries
play a key role in most updates, you can look forward to yet more exploration of the
query language elaborated here.
