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find duplicates mongodb

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DevinRC answered on October 24, 2022 Popularity 7/10 Helpfulness 2/10

answer find duplicates mongodb

related how to find duplicate data in mongodb

related mongodb query to find duplicate records

find duplicates mongodb

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db.collection.aggregate([
  { "$group" : { "_id": "$name", "count": { "$sum": 1 } } },
  { "$match": {"_id" : { "$ne" : null }, "count" : {"$gt": 1} } },
  { "$project": {"name" : "$_id", "_id" : 0} }
]);

Popularity 7/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: find mongodb whatever

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Contributed on Feb 22 2024

DevinRC

0 Answers Avg Quality 2/10

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how to find duplicate data in mongodb

Comment

db.collection.aggregate([
    {"$group" : { "_id": "$name", "count": { "$sum": 1 } } },
    {"$match": {"_id" :{ "$ne" : null } , "count" : {"$gt": 1} } }, 
    {"$sort": {"count" : -1} }    
]);

Popularity 10/10 Helpfulness 7/10 Language javascript

Source: stackoverflow.com

Tags: find

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Contributed on Oct 24 2022

Noob Learner

0 Answers Avg Quality 2/10

mongodb query to find duplicate records

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Get dups and sort in mongodb

[
    {
        '$match': {
            'email': {
                '$ne': None
            }, 
        }
    }, {
        '$group': {
            '_id': {
                'field_name': '$field_name', 
                'email': '$email', 
            }, 
            'count': {
                '$sum': 1
            }, 
            'ids': {
                '$addToSet': '$_id'
            }
        }
    }, {
        '$match': {
            'count': {
                '$gt': 1
            }
        }
    }, {
        '$sort': {
            'count': 1
        }
    }
]

Popularity 9/10 Helpfulness 2/10 Language python

Source: Grepper

Tags: find

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Contributed on Apr 11 2023

forinda

0 Answers Avg Quality 2/10

find duplicates mongodb

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mongodb query to find duplicate records

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