常常使用外部存储过程访问遗留数据存储和遗留应用程序系统。
External stored procedures are often used to access legacy data stores and legacy application systems.
清单10包含已经注册为外部存储过程的现有RPG程序的代码。
Listing 10 contains the code for the existing RPG program that has been registered as an external stored procedure.
在其他场景中，由于IT基础结构的复杂性，可能需要使用外部存储过程。
In other scenarios the use of external stored procedures might be required because of it infrastructure complexity.
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