Requirement for deployed applications: You cannot begin testing until there is a deployed application with an HTTP interface that can be invoked for testing.

部署应用程序的必要条件：只有当一个带有http界面的部署应用程序可以被测试调用时，您才可以进行测试。

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If the stored procedure includes any OUT parameters, it needs to be invoked from a client application using the CallableStatement interface.

如果存储过程包含OUT参数，那么就需要通过CallableStatement接口，从客户机应用程序调用该参数。

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An invocation may have many dimensions, such as the interface of the operation that is being invoked, the application to which the invocation belongs, and so on.

调用可能有多个维度，例如正在调用的操作的接口、调用所属的应用程序，等等。

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