mongo delete document by query
2012年4月4日—Youcanuseaquerytoremoveallmatchingdocumentsvarquery=name:'John'};db.collection.remove(query);.Bewary,though,ifnumberof ...,2022年8月29日—InMongoDB,youareallowedtodeleteanexistingdocumentfromthecollectionusingdb.collection.deleteOne()...
db.collection.deleteMany()
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Todeleteasingledocument,usedb.collection.deleteOne()instead.Alternatively,useafieldthatisapartofauniqueindexsuchas_id.
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