Concept of system design
Category: Information Systems
If a central database in the head office of the company will contain all data from all the subsidiaries any database will soon be congested. That is why it seems to be reasonable to differentiate between data used for financial accounting and those for management. It enables optimization of the information system to cope with huge amounts of managerial data.
When integrating information systems one should bear in mind physical and logical integration as separate parts. Physical includes transformation of different data formats, transmission of data via network, merging of received data into a central database. Logical integration means data consistency, scalability, merge of elements common by nature etc.
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