Database: the database performs both identification and authenticationofusers.
数据库：数据库执行对用户的识别和身份验证。
2
It provides a unified mechanism to manage the authenticationofusers and implement business rules determining user access to applications and data.
它提供一个统一的机制来管理用户的身份验证，并实现业务规则来决定用户对应用程序和数据的访问。
3
This includes authenticationofusers, control of access privileges, auditing, single sign-on, high availability, and logging that are elements of any security management solution.