因此，您需要知道应用程序的名字以管理部署应用程序的环境(产品环境或者测试环境)，它们的连接参数，主机等等。

Therefore, you need to know the name of the applications to manage, the environment (production or test) that they are deployed to, their connection parameters, hosts, and so on.

youdao

REOPT绑定选项将影响其中包含参数标记或主机变量的语句的优化。

The REOPT bind option affects the optimization of statements that contain parameter markers or host variables.

youdao

某些情况下，如果语句包含主机变量、参数标记或特殊寄存器那么访问路径在运行时的性能不会很好。

In some cases, the access path does not perform well at runtime if the statement contains host variables, parameter markers, or special registers.

youdao