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Management Information Systems: Managing the Digital Firm

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MBA635 – ELP ASSIGNMENT – WEEK 01
Avinash Shankar
Coleman University

Database Integration – A framework The Physical Database Design depicts the actual structure of a set of relational tables specific to the platform and Database Management Systems (DBMS) on which the database is implemented. It is used to transition a logical data design into a physical database design that can be used to generate Data Definition Language (DDL). It also takes the current Systems environment into consideration, as well as some non-functional requirements. Basically the Physical Database Design is the implementation of the logical data design with any changes needed for physical considerations, such as capacity and performance. A physical database design is performed in three stages (LePendu, P., & Dou, D., 2011, p. 217 to 244):
1. Logical database design, which includes gathering of business requirements, developing a logical data model, and designing how to load the data
2. Conversion of the logical data design into a Physical Database Design includes table definitions, primary and foreign key relationships, and basic indexing
3. Post deployment Physical Database Design (often performed by a database administrator) includes improving performance, reducing I/O, and streamlining administration tasks.
Data Integration Layer The data integration layer should be modeled in 3rd normal form or near 3rd normal form and is considered to be similar to an operational data design. In addition, the data integration layer should leverage the Insurance Information Warehouse (IIW) relational model, which is part of an insurance model package called Insurance Application Architecture (IAA) from IBM, as a conceptual reference. When developing the physical data model from the logical data model for the data integration layer, both capacity and performance are major

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