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MIS 581 Week 5 Discussion; Data Modeling
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MIS 581 Week 5 Discussion; Data Modeling
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Week 5: Data Modeling14 unread replies.1515 replies.
Discuss the difference between logical and physical data models within any software
development methodology? How do they relate?
This topic was locked Oct 5, 2020 at 11:59pm.
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Collapse SubdiscussionWilliam Ying
William Ying
Sep 26, 2020Sep 26, 2020 at 12:52pm
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Hi class;
Discuss the difference between logical and physical data models within any
software development methodology?
How do they relate?
Prof. Ying
o
Deepan Baid
Deepan Baid
Sep 27, 2020Sep 27, 2020 at 8:11am
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Logical Modeling
Logical modeling deals with gathering business requirements and
converting those requirements into a model. The logical model
revolves around the needs of the business, not the database, although
the needs of the business are used to establish the needs of the
database. Logical modeling involves gathering information about
business processes, business entities (categories of data), and
organizational units. After this information is gathered, diagrams and
reports are produced including entity relationship diagrams, business
process diagrams, and eventually process flow diagrams. The
diagrams produced should show the processes and data that exists, as
well as the relationships between business processes and data.
Logical modeling should accurately render a visual representation
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