engleski

Two ER models for optimal storing reports

There is a constant demand for various kinds of reports in every business application. They can be built in real time for up-to-date results, or stored in a database in case of static and numerous data. There are at least two kinds of such stored reports for the one that is built from data of a certain period and will not be changed ever after, and the other which come already formed and has to be saved in original form. Here are the ER models for optimal storing (considering time and model) of those two types of reports with aim to improve performances of reporting in business application.

Entity Relationship diagram; ER model; reports; optimal reporting; system modelling

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