You may also explicitly create a collection with specific options using the MongoDB\Database::createCollection() method, or using db.createCollection() in the MongoDB shell. Explicitly creating collections enables you to create capped collections, specify document validation criteria, or configure ...
从MongoDB 7.2 开始,在使用db.createCollection()创建collection时无法指定wiredTigerstorage engine加密选项。要为 WiredTiger 存储引擎配置加密,请参阅静态加密。 有关详细信息,请参阅指定存储引擎选项。 validator 文档 可选。允许用户为集合指定验证规则或表达式。 validator 选项采用指定验证规则或表达式的文档。可以使用...
The query creates a capped collection (capped: true) calledmyCappedCollection. It also adds additional options (sizeandmax) and constraints specific to that collection type. Method 2: Create a Collection in MongoDB During the insert Process Another way to create a collection in MongoDB is during...
>db.restaurants.createIndex({"cuisine":1});{"createdCollectionAutomatically":false,"numIndexesBefore":1,"numIndexesAfter":2,"ok":1 Example: Create an Index on a Multiple Fields The following example creates a compound index on the cuisine field (in ascending order) and the zipcode field (in...
connecting to: mongodb://127.0.0.1:27017 MongoDB server version: 3.4.10 Welcome to the MongoDB shell. For interactive help, type "help". For more comprehensive documentation, see http://docs.mongodb.org/Questions? Try the support group ...
MongoDB索引 MongoDB安全 Change Streams变更流 MongoDB复制 MongoDB分片 MongoDB管理 MongoDB存储 MongoDB参考 运算符 数据库命令 mongo Shell 方法 集合方法 db.collection.aggregate() db.collection.bulkWrite() db.collection.copyTo() db.collection.count() db.collection.countDocuments() db.collection.estimate...
此方法获取数据库连接,操作database层面,返回一个Connection对象。Connection对象中包含model,collection,dropDatabase等操作数据库的方法,也包含connected,disconnected,error等事件触发方法。但是没有Schema哦 1 使用方法,获取连接 varmongoose = require('mongoose');varURL ='mongodb://localhost:27017/test2';//实际上...
Navigate to the bin directory of MongoDB as shown in the screenshot below: Now we should be working in the MongoDB shell. To run the MongoDB shell, type the following command: mongo Once you are in the MongoDB shell, create the database in MongoDB by typing this command: ...
$collectionName = "myCollection" # *** $apiVersion = "2020-04-01" # Cosmos DB RP API version $lockLevel = "CanNotDelete" # CanNotDelete or ReadOnly $resourceTypeAccount = "Microsoft.DocumentDB/databaseAccounts" $resourceTypeDatabase = "$resourceTypeAccount/mongodbDatabases" $resourceTypeColle...
It's now time to add our C# code to create a Database, a Collection and add a document to the collection.In not already opened, open the Azure Cloud Shell.Run the following command to open the code editor. Bash Copy cd ~/mslearn-cosmosdb/api-for-...