Unit 17 P6

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P6 describe the different tools used to manage and process information Databases: databases are at the centre of most information systems because they store the vast amounts of data sued in an information system. The database is designed by using a data model. Data models resemble a flow chart and they describe the flows of all information throughout the system. They also show how the data relates to other pieces of data. This can be used in the case study to store records of product sold over a given period. Artificial intelligence and expert systems: these have rules which can be changed at any time. They would be changed so that they model the business actions. An example would be fare management, this would use rules defined by the

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