![]() The update method uses the $unset operator to remove the class field where “ _id: 2″ document. The examples on this page use the inventory collection. And, used the MongoClient class that enables to make the successful MongoDB server connection.Īfter that access the database and collection, mydatabase, and data respectively. To populate the inventory collection, run the following: This page provides examples of delete operations using the following methods in the Java Synchronous Driver : .deleteMany. Here, we import the pymongo library that is used to communicate MongoDB server. In MongoDB, The $unset operator is used to delete or remove a particular field. How to remove a field from the documents in MongoDB ![]() If you are using the JPA or mongo-data repository in any language then you might have below methods: deleteAllB圜olumnName (ColumnNameValue) or deleteAll () in the interface class, you just need to use the dao.deleteAll () method.
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