mongo delete document by query
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()...

MongoDB

MongoDB'sremove()methodisusedtoremoveadocumentfromthecollection.remove()methodacceptstwoparameters.Oneisdeletioncriteriaandsecondis ...

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How to delete documents by query efficiently in mongo?

2012年4月4日 — You can use a query to remove all matching documents var query = name: 'John'}; db.collection.remove(query);. Be wary, though, if number of ...

MongoDB

2022年8月29日 — In MongoDB, you are allowed to delete an existing document from the collection using db.collection.deleteOne() method.

db.collection.deleteMany()

To delete a single document, use db.collection.deleteOne() instead. Alternatively, use a field that is a part of a unique index such as _id .

db.collection.remove() — MongoDB Manual

Delete Documents — MongoDB Manual

For the document that you want to delete, hover over the document and click the trash icon that appears on the right-hand side. After clicking the delete button ...

Delete Documents — MongoDB Shell

To delete all documents from a collection, pass an empty filter document } to the db.collection.deleteMany() method. Example. To delete all documents from the ...

db.collection.remove()

By default, remove() removes all documents that match the query expression. Specify the justOne option to limit the operation to removing a single document. To ...

MongoDB

MongoDB's remove() method is used to remove a document from the collection. remove() method accepts two parameters. One is deletion criteria and second is ...

Delete Documents in MongoDB

db.collection.deleteOne() Method. This method is used to delete only a single document, even when more than one document matches with the criteria. Here ...

mongodeletedocumentbyquery

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()method.,Todeleteasingledocument,usedb.collection.deleteOne()instead.Alternatively,useafieldthatisapartofauniqueindexsuchas_id.,,Forthedocumentthatyouw...

參考資訊如下