MongoDB cross database query

Question

I know I've seen this solution somewhere, but I can't seem to find it now. I'm trying to query one MongoDB database while connected to another. This should be possible without explicitly connecting to the other database before running the query. Does anyone know the correct syntax to do this?

What's the context here? In the shell or using a particular driver? — JohnnyHK
– JohnnyHK, Commented Nov 7, 2012 at 22:38

Stennie · Accepted Answer · 2012-11-08 02:05:04Z

49

To run a command against another database on the same MongoDB server, in the mongo shell you can use:

db.getSiblingDB('dbname').collection.command()

eg:

db.getSiblingDB('test').foo.find()

answered Nov 8, 2012 at 2:05

Stennie

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