Explain the differences between hierarchical, network and relational data models. What makes the relational data model the most popular data model in use today?
Answer to relevant QuestionsWhat are the basic requirements of a relational database?Using Figure 9.2 as a guide, name three internal and three external databases that you think should be included in a data warehouse for your university. Support your answer.Using Figure 9.1 and 9.2 as guides, name four internal and four external databases that you think should be included in a data warehouse for marketing function of Procter and Gamble or the consumer packaged goods company ...What are the objectives and components of COSO ERM framework?A newly hired internal auditor discovered that immaterial thefts by employees are pervasive in the company; employees take books from the company’s library, tools from the company’s laboratories, supplies, products, etc. ...
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