db.dropAllUsers()

Definition定义

db.dropAllUsers(writeConcern)

Removes all users from the current database.从当前数据库中删除所有用户。

Warning警告

The db.dropAllUsers() method removes all users from the database.db.dropAllUsers()方法从数据库中删除所有用户。

The db.dropAllUsers() method takes the following arguments:db.dropAllUsers()方法采用以下参数：

Field字段	Type类型	Description描述
writeConcern	document	Optional. 可选。The level of write concern for the operation. 操作的写入关注级别。See Write Concern Specification.请参阅写入关注规范。

The db.dropAllUsers() method wraps the dropAllUsersFromDatabase command.db.dropAllUsers()方法包装dropAllUsersFromDatabase命令。

Behavior行为

Required Access所需访问权限

You must have the dropUser action on a database to drop a user from that database.必须对数据库执行dropUser操作才能从该数据库中删除用户。

Example示例

The following db.dropAllUsers() operation drops every user from the products database.下面的db.dropAllUsers()操作从products数据库中删除每个用户。

use products
db.dropAllUsers( {w: "majority", wtimeout: 5000} )

The n field in the results document shows the number of users removed:结果文档中的n字段显示删除的用户数：

{ "n" : 12, "ok" : 1 }