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Explain the purpose and usage of RPG (Report Program Generator) in the context of business applications on IBM i systems.



RPG (Report Program Generator) is a high-level programming language specifically designed for developing business applications on IBM i systems (formerly known as AS/400). The purpose of RPG is to facilitate the creation of reports and manage data processing tasks efficiently. One of the primary uses of RPG is for generating reports. It provides a robust set of tools and features that allow developers to extract, manipulate, and present data in a meaningful format. RPG offers a wide range of report formatting options, such as columnar reports, subtotals, totals, and summaries. It also supports advanced features like sorting, filtering, and grouping of data to meet specific reporting requirements. RPG is extensively used for data processing tasks in business applications. It enables developers to perform data validation, calculations, a....

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