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Is it possible to make a join between different CouchDB Databases? I know, that I can put all data into the same database, but I want to use Ubuntus DesktopCouch, which has some default databases like contacts an notes I want to use. And I don't want to "spam" those Databases with my stuff
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At first, CouchDB looks like a compelling solution for the web world since it's built on top of the JSON document model and HTTP rest API interface. However, it lacks in security, performance, ease of use, query language, data types support, and cloud offerings when compared to MongoDB Atlas.
MongoDB is faster than CouchDB. MongoDB provides faster read speeds. It follows the Map/Reduce query method. It follows Map/Reduce creating a collection and object-based query language.
Replication Procedure. During replication, CouchDB will compare the source and the destination database to determine which documents differ between the source and the destination database. It does so by following the Changes Feeds on the source and comparing the documents to the destination.
You won't be able to have documents from different databases in the results of a view. Your program can simply query each independent database for the docs you need.
Update - However, if you're wanting to create a working copy of that data for yourself in your own database, you can use replication to pull data into your database. Then you can mess with the data as much as you need, and push the updated data back via replication as well.
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