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並前往https://stackoverflow.com/questions/11372065/mongodb-how-do-i-update-a-single-subelement-in-an-array-referenced-by-the-inde

MongoDB: How do I update a single subelement in an array ...

As expected, the query is easy once you know how. Here's the syntax, in python: db["my_collection"].update( { "_id": ObjectId(document_id) } ...

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