Authentication Database:In MongoDB, user can have privileges across different databases. When adding a user, you create the user in a specific database. This database is theauthentication databasefor this user. Connect to MongoDB usingmongoshell: $ mongo Cool Tip:How to connect to remote Mong...
Creates a new user for the database on which the method is run.db.createUser()returns aduplicate usererror if the user already exists on the database. Important mongosh Method This page documents amongoshmethod. This isnotthe documentation for database commands or language-specific drivers, ...
1.1. Authentication Database When adding a user, you create the user in a specific database. This database is the authentication database for the user. A user can have privileges across different databases; that is, a user’s privileges are not limited to their authentication database. By a...
mongodb 创建数据库权限账号,增删改查(基本操作) 1. use DataBaseName 切换/创建数据库 use mydb 2.show dbs 查询所有数据库名 3.db.stats() 显示当前数据库状态 4、db.DropDatabase() 删除当前使用数据库 5.db 或 db.getName() 查看当前使用的数据库......
the MongoDB database, we can assign a role to the user to privileges. We can also update the user after creating; we can change the user name and password and grant or revoke the privileges of the user. After adding a user to the database, we can create a user-specific database. ...
In MongoDB, users are defined for specific databases. Each user is then assigned a list of roles that in turn define the user’s privileges. Not surprisingly, MongoDB’s API therefore makes it easy to assign a user a list of roles via thegrantRolesToUsermethod: ...
1.When adding a role, you create the role in a specific database. 在添加角色时,是将角色添加到某个数据库下。 2.MongoDB uses the combination of the database and the role name to uniquely define a role. MongoDB使用 数据库和角色名 作为 角色的唯一标识。
logging all of the activities generated by our customer base creates a huge amount of data, and storing that data in a useful and accessible way becomes a challenging task. The reason for this is that just about every activity performed by a user can be of interest to us, such as: Searc...
collection.createIndex({name:-1},function(err,result){console.log(result);callback(result);} Index Types 索引类型 MongoDB provides a number of different index typestosupport specific types ofdataandqueries. MongoDB提供一系列不同的索引类型来支持特定类型的数据和查询 ...
> db.dropDatabase() { "dropped" : "test", "ok" : 1 } 集合操作 // 非明确创建 db..insert({"name":"McLeod"}) // 明确创建 db.createCollection(, {}) 我们在创建集合时,还可以指定一些可选的选项。如下表所示: 一个例子: > use tyun ...