Understanding Firestore queries - Firebase v9
#firebase #javascript #database
Source code: https://github.com/TheRealAtomicCode/...
In this video you will learn all everything you need to know about Firestore queries
0:00 | Intro
0:55 | Setting up firestore and reading all documents
4:08 | Query function (where, limit, orderBy)
5:20 | Combined queries and Indexes
8:58 | Query multiple sub collections (collectionGroup)
12:41 | Does querying for a 1000 documents but returning only 1, count as 1 or 1000 document reads?
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