Scott and Susan (S&S) is very successful chain of supermarkets, operates five stores and a popular website. Ashton Fleming believes that it is time to upgrade S&S's accounting information system (AIS) so that S&S can easily access the information they need to run their business. Most new AISS are based on a relational database. Since Ashton knows that S&S are likely to have questions, he prepared a brief report that explains why S&S's new AIS should be relational database system. The report shall address the following questions: 17. What is a database system, and how does it differs from file-oriented system? 18. what is relational database system

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