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Tag aggregation-framework - This is page 70 - GeneraCodice
How do I group by _id and country?
https://www.generacodice.com/en/articolo/1991038/how-do-i-group-by-id-and-country
ruby
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ruby-on-rails
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mongodb
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ruby-on-rails-3
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aggregation-framework
StackOverflow
Find all duplicate documents in a MongoDB collection by a key field
https://www.generacodice.com/en/articolo/1734161/find-all-duplicate-documents-in-a-mongodb-collection-by-a-key-field
duplicates
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mapreduce
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mongodb
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aggregation-framework
StackOverflow
Mongoid aggregate methods on embedded docs?
https://www.generacodice.com/en/articolo/1347567/mongoid-aggregate-methods-on-embedded-docs
mongodb
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mongoid
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aggregation-framework
StackOverflow
Retrieve only the queried element in an object array in MongoDB collection
https://www.generacodice.com/en/articolo/1002713/retrieve-only-the-queried-element-in-an-object-array-in-mongodb-collection
mongodb
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projection
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mongodb-query
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aggregation-framework
StackOverflow
Update MongoDB field using value of another field
https://www.generacodice.com/en/articolo/991220/update-mongodb-field-using-value-of-another-field
mongodb
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mongodb-query
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aggregation-framework
StackOverflow
MongoDB Regex Search on Integer Value
https://www.generacodice.com/en/articolo/936588/mongodb-regex-search-on-integer-value
regex
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mongodb
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mongodb-query
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aggregation-framework
StackOverflow
Get names of all keys in the collection
https://www.generacodice.com/en/articolo/474841/get-names-of-all-keys-in-the-collection
mongodb
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mongodb-query
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aggregation-framework
StackOverflow
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