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Database Systems
Consider your case study of a Business Intelligence application with Data Warehousing in an area of your interest. Produce a report addressing the following topics:
Part 1. Introduction
(refer briefly to the goal of the study)
Part 2. Data Warehousing Solution a. Transactional data model: Entity Relationship Diagram b. Additional internal data sources c. Potentially useful external data d. Data Marts to be created: • Choosing the subject(s) • Choosing the grain • Identifying and conforming the dimensions ?Keys and attributes ?Type of Dimensional Model: Star or Snowflake Schema
• Choosing the facts • Duration of the database and the frequency of updates • Tracking slowly changing dimensions
e. The final Dimensional Model(s) f. Data errors found during Extract - Transform - Load g. Potential SQL and natural language queries on the Dimensional Model
Part 3. Conclusion
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