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Create a 2-3 page (350 words per page) examining the use of databases in organization. Explain what database applications are utilized (Microsoft Access, DB2, Oracle, etc.). Describe by proposing improvements. For large organizations, restrict scope of the paper to department in which you work. If you are unsure about how database is utilized in your organization, you are welcome to study at least one database system and then examine or describe the use of the database.
Write SQL queries for the books database that perform each of the following tasks: Select all authors from the Authors table with the columns in the order lastName, firstName and authorID.
Show all the data in each of the four tables. Do not show foreign key columns. Write names and e-mail addresses for all customers who have had a stove repair that cost more than $50.
Consider following opinion shared by some people: database management systems and data-warehousing techniques are the greatest threat to individual privacy in modern times. What is your opinion?
In talking about database security, some aspects to regard as are Data Integrity, Confidentiality, and Malicious Activity. Illustrate how does database security relate to data integrity?
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?
These following questions require to you to create entities and their relationship using the Crow's Foot notation suitably.
Using Internet as the research tool for extra information not presented in text, describe why application roles are important part of the security model for databases.
Suppose you have a table which contains 27,000 data records, and you have unclustered B+ Tree Index on the table.
Convert the table to 3NF. Represent your answer in DBDL. (i.e. Give table name and fields. Underline the primary key. Draw an entity-relationship diagram showing all relationships.)
Design a database for Ray. For each director, list his or her number and name and the year he or she was born. If the director is deceased, list the year of death.
You are to design a prototype for a hospital management system. Design a data model for this system, Convert the data model to a set of virtual windows.
Assume that relation Employee has no tuples in it initially. You are to show the simplest example you can think of where using trigger T1 will produce a different final database state than using trigger T2.
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