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working with multiple db in single query mongodb

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Elated Eland answered on January 27, 2021 Popularity 9/10 Helpfulness 1/10

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answer working with multiple db in single query mongodb

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// Switch to admin database and get list of databases.
db = db.getSiblingDB("admin");
dbs = db.runCommand({ "listDatabases": 1 }).databases;

// Iterate through each database.
dbs.forEach(function(database) {
    db = db.getSiblingDB(database.name);

    // Get the Group collection
    collection = db.getCollection("Group");

    // Iterate through all documents in collection.
    /*
        collection.find().forEach(function(doc) {

            // Print the meldingId field.
            print(doc.meldingId);
        });
    */

    var meldingIds = collection.distinct('meldingId');
    print(meldingIds);

});

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: javascript mongodb

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Elated Eland

Contributed on Jan 27 2021

Elated Eland

0 Answers Avg Quality 2/10

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