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Use the contents of Figure 1 to work Problems 1-3.
1. Write the business rule(s) that govern the relationship between AGENT and CUSTOMER.2. Given the business rule(s) you wrote in Problem 1, create the basic Crow's Foot ERD.3. Using the ERD you drew in Problem 2, create the equivalent object representation and UML class diagram.
Using Figure 2 as your guide, work Problems 4-5. The DealCo relational diagram shows the initial entities and attributes for the DealCo stores, located in two regions of the country.
4. Identify each relationship type and write all of the business rules.
5. Create the bask Crow's Foot ERD for DealCo.
6. Identify each relationship type and write all of the business rules.
Explain the concept of physical data independence and its importance in database systems, List four significant differences between a file-processing system and a DBMS.
He wishes you to group data by insurance company number, with subtotals by company and grand totals for each numeric field.
Draw an Entity Relationship diagram for the system and Identify the table design for the database displaying all the fields/attributes. Ensure that all tables are in 3NF. You also need to identify the primary keys and foreign keys, where applicable..
What kind of databases and database servers does MySpace use? Why is database technology so important for a business such as MySpace?
Write down some of problems and issues related with internet databases? Consider security, performance, architecture issues.
Describe the difference ways of implementing one-to-one relationships. Assume you are maintaining information on offices (office numbers, building, and phone numbers)
Sketch an object-oriented model for a small private airport database that is used to keep track of airplanes, their owners, airport employees, and pilots.
What problem would you encounter if you wanted to produce a listing by city? How would you solve this problem by altering the file structure?
One side effect of normalization is that you often need more than one table to get meaningful results. For example, you may have a table that includes a list of parts and the ID number for the vendor of each part. T
What is meant by cardinality of a relationship? Your answer requires to be thorough and specific. Be sure to include the two types of cardinality
First construct a Data Warehouse Bus Matrix to identify the company's business processes and any likely Data Marts and design the star schema for any Data Marts you have identified.
Determine airports with late flights to Toronto on a big plane. "Late" means departing after 9:00pm; "big" means with capacity 150 passengers or more
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