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For lab assignments you must use an actual database - Database systems such as Oracle, MS SQL, DB2, or Access are all acceptable if they can handle the capability to handle these questions. Do the exercises in the actual database then copy and paste the results or an image of the results here in the respective question part. ER Diagrams and Schemas can be created with MS Visio templates.
Consider the UNIVERSITY database described in Exercise 7.16. Build the ER schema for this database using a data modeling tool such as ERwin or Rational Rose.
One of the many problems with data redundancy is the likely occurrence of data inconsistencies-two different initials have been entered for the teacher named Maria Cordon.)
Write a program that models an employee. An employee has an employee number, a name, an address, and a hire date. A name consists of a first name and a last name.
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..
Design a scheme for determining exactly which one of the wine bottles was poisoned in just one month's time while expending O(logn) taste testers.
Prepare the example of table which is in first normal form but not in second normal form and example of a table which is in second normal form but not in third normal form.
What is the two-phase locking protocol and what is the strict two-phase locking protocol? What is the rigorous two-phase locking protocol? What benefit does strict two-phase locking protocol provide? What benefit does rigorous two-phase locking pr..
Use the results of the transcripts of an interview with IT consultant. Prepare a Fully Attributed Data Model. Add the data attributes for each entity."
Create a data warehouse for electronics store chain. Chain has 20 stores in 5 cities. Each store has different sections comprising computers, DVDs, TVs, audio, home appliances etc.
Find the average number of books borrowed per member. Take into account that if a member does not borrow any books, then that member does not appear in the borrowed relation at all.
For each table argue whether or not interference with another transaction is possible. Illustrate concurrency control method using two phase locking.
Write a join query that for every order placed on September 5, 1998, (use '05-SEP-1998') will list the order number and order date along with the customer number, last name, and first name of the customer who placed the order
Suppose you are asked to evaluate a DBMS in terms of lock granularity and the different locking levels. Create a simple database environment in which these features would be important.
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