Understanding Firestore queries - Firebase v9

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#firebase #javascript #database

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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Комментарии
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Just brilliant!! Just don't have enough stuff to subscribe to yet ... keep up the good work!

htmlfivedev
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your explanation is on another level bro. I appreciate it .

tanny
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Hello, nice introductory video!
I have one question, how do subcollection ids work? is it possible to have '/users/andrea/projects/1' and '/users/andrew/projects/1' ? or do subcollections need to have distinct ids even between the users?

the_real_vdegenne
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please tell me fr, does it really count as ONE DOCUMENT READ, what are the sources, bc this might have just saved my project, please let me know ASAP
Thanks :)

unityUser