Overview: Use the attached file. Problem: - What is the scope of what can be considered a data warehousing failure? - What generalizations apply across the cases? - What do you find most interesting in the failure stories? - Do they provide any insights about how a failure might be avoided?
What are the reasons why field specifications are crucial?
Demonstrate how to insert data into a table: Please provide some sample SQL code
You have been asked to design a star schema for a large hotel chain. Review the information package given for a hotel chain in Figure 5-6 in the attached file. Use this information package to design the STAR schema. Problem: - Draw the star schema. - List the attributes for each table. - Designate a primary key for ea ...continues
What is an ERD and why are they important for a database?
What are the main components when designing an ERD?
Why is normalization important?
What is a key feature of object-oriented Database systems?
What is a key feature of object-oriented Database systems?
How are relationships established?
What are the three types of binary HAS-A relationships in the E-R model?
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