5.9之后的方法:Model.deleteMany() // Student是一个Model.Student.deleteMany({},function(err) {console.log("success");}); 3|0参考 Model.deleteMany() -- Mongoose官方文档 mongoose delete all documents in collection Model.remove() -- Mongoose官方文档 __EOF__ 高坦的博客 | Tan's Blog BY-NC-...
MongoDB Compass. ➤Use theSelect your languagedrop-down menu in the upper-right to set the language of the following examples or select MongoDB Compass. Delete All Documents To delete all documents from a collection, pass theand athat matches all documents to themethod. ...
To delete all documents in the collection, leave the Query Bar blank. 2 Open the Delete Documents modal On the Documents tab, click the Delete button to display the Delete Documents modal. The following table summarizes the UI of the modal: UI Element Description Query Any filter criteria ...
db.orders.deleteOne( { "_id" : ObjectId("563237a41a4d68582c2509da") } ); #删除expiryts大于ISODate("2015-11-01T12:40:15Z") 的第一个文档 db.orders.deleteOne( { "expiryts" : { $lt: ISODate("2015-11-01T12:40:15Z") } } ); 1. 2. 3. 4. 5. 2 db.collection.deleteMan...
百度试题 题目在MongoDB中,删除文档的命令是( ) A.delete fromB.db.collectionName.remove()C.db.collectionName.delect()D.db.collectionName.drop()相关知识点: 试题来源: 解析反馈 收藏
If we want to remove the entire 'userdetails' collection, including all of its documents the following mongodb command can be used : >db.userdetails.drop() Output > db.userdetails.drop(); true The drop() returns either true or false. The above function returns true, it means that the op...
Remove All DocumentsIf you don't specify deletion criteria, then MongoDB will delete whole documents from the collection. This is equivalent of SQL's truncate command.> db.mycol.remove({}) WriteResult({ "nRemoved" : 2 }) > db.mycol.find() >Print...
在上面的示例中,我们首先注入了MongoTemplate对象,它是Spring Data MongoDB提供的访问MongoDB数据库的核心类。然后,我们定义了一个deleteAllDocuments方法,该方法利用MongoTemplate的dropCollection方法删除User类对应的集合中的所有文档。 使用方式 要使用deleteAll方法删除集合中的所有文档,我们需要进行以下几个步骤: ...
Ruby 操作 MongoDB(8) > db1[:abctest].insert_one({name: 'justfortest'}) D, [2016-05-26T22:58:31.161257 #32905] DEBUG -- : MONGODB...=>1, "n"=>1}]> 2.3.0 :052 > db1.collection_names D, [2016-05-26T22:58:42.023711 #32905] DEBUG -- : MONGODB...=>{}, "filter"...
Ruby 操作 MongoDB(8) > db1[:abctest].insert_one({name: 'justfortest'}) D, [2016-05-26T22:58:31.161257 #32905] DEBUG -- : MONGODB...=>1, "n"=>1}]> 2.3.0 :052 > db1.collection_names D, [2016-05-26T22:58:42.023711 #32905] DEBUG -- : MONGODB...=>{}, "filter"...