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by jd_mongodb
1496 days ago
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Of course if you don't like the id's that MongoDB generates by default you can always the supply your own. The only constraint on the _id field is that it be unique as we automatically apply a unique index. Effectively if you have a unique key for your data you should use _id for it as it saves you an index. (We always index _id). (I work for MongoDB). |
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