db.createUser(user, writeConcern) 为运行该方法的数据库创建新用户。如果数据库中已存在用户,则db.createUser()返回重复用户错误。 重要 mongosh 方法 本页面提供mongosh方法的相关信息。这不是数据库命令或特定语言驱动程序(例如 Node.js)的相关文档。 有关数据库命令,请参阅c
createUser Creates a new user on the database where you run the command. The createUser command returns a duplicate user error if the user exists. Tip In mongosh, this command can also be run through the db.createUser() helper method. Helper methods are convenient for mongosh users, but...
1、在官方[https://www.mongodb.com]下载msi安装包,我下的是mongodb-win32-x86_64-2008plus-ssl-3.4.2-signed.msi版本。 2、安装之后,我们要创建MongoDB服务便于我们之后使用,由于系统不会主动创建目录,因此我们来手动创建目录,比如我的目录为D:\data,然后文件夹中创建D:\data\db文件夹用来存放数据库文件,D...
The db.createUser() method is used to creates a new user. Syntax: db.createUser(user, writeConcern) Creates a new user for the database where the method runs. db.createUser() returns a duplicate user error if the user already exists on the database. The db.createUser() method has t...
Ensure you are working in the directory containing your subscription - indicated at the top right under your user ID. If not, select the user icon and switch directory.Create MongoDB app using C# Azure Cosmos DB for MongoDBIn this exercise, you ...
namestringOptional. The name of the index. If unspecified, MongoDB generates an index name by concatenating the names of the indexed fields and the sort order. Whether user specified or MongoDB generated, index names including their full namespace (i.e. database.collection) cannot be longer ...
If not, select the user icon and switch directory.Create MongoDB app using C# Azure Cosmos DB for MongoDBIn this exercise, you'll create an Azure Cosmos DB for MongoDB account, a database, a collection and add a couple of documents to the collection. Yo...
If not, select the user icon and switch directory.Create MongoDB app using C# Azure Cosmos DB for MongoDBIn this exercise, you'll create an Azure Cosmos DB for MongoDB account, a database, a collection and add a couple of documents to the collection. You'll ...
Full functional built-in MongoDB Shell. Convenient Map-Reduce operations editor. Ability to create database/output. Friendly GridFS editor. This product will be an excellent solution for beginners in the field of programming and advanced users. Anyone who encounters problems while designing a databa...
mongoose.connect(URL);vardb = mongoose.connection;//获取connection实例//使用Connetion监听连接状态db.on('connected',function(err){if(err){ console.log('连接数据库失败:'+err); }else{ console.log('连接数据库成功!'); } });varuserSchema =newSchema({ ...