If the job manager and the target node or deployment manager have the same user registry, then job submission does not require a user name and password.
如果作业管理器和目标节点或部署管理器具有相同的用户注册中心，则作业提交不需要用户名和密码。
You can always specify a user name and password during job submission if you have a user name and password recognized by the target node or deployment manager.
如果拥有目标节点或部署管理器承认的用户名和密码，则在作业提交过程中可以始终指定用户名和密码。
This method accepts a DSN as input, containing information on the RDBMS type, the RDBMS user name and password, and the target database name.
此方法接受DSN作为输入，其中包含了关于RDBMS类型、RDBMS用户名和密码，以及目标数据库名称的信息。
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