MaxInterview - working with multiple db in single query mongodb

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1// Switch to admin database and get list of databases.
2db = db.getSiblingDB("admin");
3dbs = db.runCommand({ "listDatabases": 1 }).databases;
4
5// Iterate through each database.
6dbs.forEach(function(database) {
7    db = db.getSiblingDB(database.name);
8
9    // Get the Group collection
10    collection = db.getCollection("Group");
11
12    // Iterate through all documents in collection.
13    /*
14        collection.find().forEach(function(doc) {
15
16            // Print the meldingId field.
17            print(doc.meldingId);
18        });
19    */
20
21    var meldingIds = collection.distinct('meldingId');
22    print(meldingIds);
23
24});
25

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