User threads include session threads, called sqlexec threads, which are the primary threads that the database server runs to service client applications.

用户线程包括会话线程(称为sqlexec线程)，会话线程是数据库运行来服务客户机应用程序的主要线程。

youdao

Your EJB layer should be a stateless service fronted by a stateless session bean, so it cannot store user data such as a username or password.

您的ejb层应当是无状态的服务，该服务由无状态的会话bean来负责管理，所以不能存储用户的数据，如用户名或密码。

youdao

"Digital certificates are required for connection to the RRP service, but user ID and passwords are required to initiate a session, " explains Rick Wesson, an IETF member and a senior software engineer at Alice's Registry Tools.

CNN: Is domain name system vulnerable to slamming?