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Identify and describe three criteria that should be used to evaluate the selection of a database management system. Describe how an organization should use each criterion to evaluate database management system selection.
Transform the tables into one or more tables in BCNF. Write the primary keys, candidate keys, and referential integrity constraints.
Consider a student club or organization in which you are a member. What are the data entities of this enterprise? List and define each entity
Explain the idea for the database along with the thoughts for partitioned view. How would you utilize this partitioned view?
Complete (i.e., reverse engineering) ER diagram below such that 4 relation schemas above are exactly result of a translation from the ERD to the relational model.
Create use case to describe a typical sales process. Then make a sequence diagram for use case.
Discuss how OLAP and data warehousing technologies work together in solving user problems. What are the advantages and disadvantages of the different OLAP technologies (MOLAP, ROLAP, HOLAP)?
Explain thoughts on database design process this far. You have learned about first three phases of process: defining mission statement and mission objectives, analyzing current database, and creating data structures.
Suppose a database has tables given below. Write the names and e-mail addresses for all customers who have had stove repair which cost more than $50.
Compare the two non-sequential file structure models. What advantages does the first one have over the second and what advantages does the second have over the first?
Generate the view called RepairSummary which shows only RepairInvoiceNumber, TotalCost, and TotalPaid. Illustrate the SQL statement to retrieve all RepairSummary data sorted by TotalCost.
Draw an ER diagram for your database scenario. Design a set of 3NF tables for your database scenario.
Write the functional dependencies in the following table that concerns invoicing (an application Premiere Products in considering adding to its database), subject to the specified conditions.
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