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The questions and instructions for the semester i examinations in 2009/2010 for the advanced database technologies module of the bsc in business information systems degree. The module code is ms322 and the exam code is 3bf1. The exam lasts for 2 hours and covers topics such as object-oriented database management systems (oodbms), integrating databases with the world wide web, decision support systems (dss), data mining, and data administration. Students are required to answer any three questions, all of which carry equal marks.
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Exam Code(s) 3 BF Exam(s) (^) Third Year BSc in Business Information Systems
Module Code(s) (^) MS 322 Module(s) Advanced Database Technologies
Paper No. Repeat Paper
External Examiner(s) Professor H. van der Heijden Internal Examiner(s) Dr. T. Acton Mr. Seamus Hill Instructions: (^) Answer any THREE questions. All questions carry equal marks.
Duration 2 hrs
Department(s) Accountancy & Finance Course Co-ordinator(s)
Requirements : MCQ No
a) Object-oriented database management systems (OODBMS) integrate the benefits of traditional database systems with the modelling and computational characteristics of an object-oriented data model.
Describe the following concepts in the context of OODBMSs:
(i) Objects identity (OID) and attributes. (ii) Methods and messages. (iii) Classes, protocols, and inheritance. (iv) Polymorphism.
(20 Marks)
b) Object-oriented database management systems (OODBMS) offer many benefits both to the development of Information Systems and also to the efficient running of commercial enterprises. Discuss this statement and give an assessment of the current level of adoption of object-oriented databases.
(13 Marks)
The World Wide Web has become tightly integrated with database systems. The merger of Web and database technologies is highly advantageous with regard to the development of robust, reliable, and profitable business Web sites, capable of providing customised services and products to customers.
Describe current approaches and challenges to integrating databases and the World Wide Web.
a) Data administration is the term applied to the task of managing organisational memory. Identify the main components relevant in managing the database environment and discuss what challenges organisations face in data management. You should consider issues such as performance monitoring and data integration in your answer.
(17 Marks)
b) There are two levels of data administration that can be identified in organisations: Project and System-Level. Describe in detail what function and responsibility each level provides to the organisation, and what roles are commonly associated with each level.
