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QUESTION
ta standards which an enterprise should establish? Who should participate in the development of these standards and why? Where are the standards kept?...
- What are the five data standards which an enterprise should establish? Who should participate in the development of these standards and why? Where are the standards kept?
- Consider a book store as an enterprise with data resource requirements. What entities and what relationships would you see being needed to model the bookstores data resources with an ERD?
- The textbook, in the section titled "Data Should Be Captured Once" on page 104, notes the example of the university that had student contact information stored in 12 different systems. Aside from the additional costs of maintaining such a system, what are some potential problems of such a system in between the university and students?
- What is the problem of "dirty data" and what are two general approaches to dealing with this problem?
- Why can data exist at different levels of an enterprise and what are two broad schemes for dealing with the different levels of data.
- What is meant by application independence and why is it important?
- What is meant by normalization?
- Describe a distributed information system you have dealt with in everyday life.
- What are the advantages of a 3-tier system over a 2-tier system?
- What is an intranet? What is a portal?
- Why do you think groupware is becoming a more important enterprise system these days?
- What is meant by column-store database?
- What was the Y2K problem and what affect did it have on the development of ERP systems?
- What is meant by a thin-client?
- Why is the separation of operational and warehoused data important?
