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Every contemporary organization sooner than later has to solve the problem of document exchange, especially in such tightly regulated areas as health care and government services. Lots and lots of official forms have to be filled and processed exactly as mandated – preserving standards pixel by pixel. Another big issue is reporting, because end-users now want very high flexibility and customization without losing any performance (and without paying too much!).
Meeting these requirements in not very trivial, but definitely doable! This presentation is focused on one of the possible approaches – using database not only for data processing, but for creating final documents. A number of examples from real-life projects will show how PDF and Excel files can be efficiently prepared without leaving your server – as long as you have appropriate tools and mechanisms: some of them are home-grown (reporting repositories and XLS generators), some of them are developed by others (PL/PDF, ITEXT, PL/JSON).
This presentation will show how strengths and weaknesses of this approach, explain reasons of such technology selection and history of experience.