IS07
Database Management
Time : Three Hours Maximum Marks: 100
Note:
1.
The paper is divided into three sections: Section A, Section B and Section C.
2.
There are seven questions in Section A of 10 marks each. Attempt any four.
3.
Section B has 5 questions of 15 marks each. Attempt any three.
All the questions of Section C (Case Study) are compulsory. This section is of 15 marks.
(In Numerical questions, marks will also be provided for right procedure)
Section – A (10 marks each, answer any 4)
1.
Explain the components of DBMS. (Marks 10)
2.
Explain Object Relational Database. (Marks 10)
3.
What is an E-R Diagram? Explain the components of an E-R diagram. (Marks 10)
4.
Explain the features of Structured Query Language (SQL). (Marks 10)
5.
Explain the ACID properties. What are their benefits? (Marks 10)
6.
What is partitioning? Explain horizontal and vertical partitioning. (Marks 10)
7.
Describe various steps in database design process. (Marks 10)
Section – B (15 marks each, answer any 3)
8.
What is Normalization? Explain various Normal forms. (Marks 15)
9a. Write a short note on advantages and disadvantages of Database Management
Systems. (Marks 10)
9b. A table ‘Employee’ exists with fields ‘name’, ‘age‘, ‘sal’, ‘dept’. Find the names of
employees whose salary is greater than the salary of employee named ‘Rajiv’.
(Marks 5)
10a. Explain Cursors with examples. (Marks 6)
10b. What is Data Mining. What are the different Data Mining Models. (Marks 9)
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11. What are the advantages and disadvantages of OODBMS over other architectures?
(Marks 15)
12. Explain the basic elements of a Data Warehouse. (Marks 15)
Section – C Case Study (Compulsory) (15 marks)
CASE STUDY
An Insurance company ABC Life wishes to computerize its policy administration function.
The company has many branches all over India, and it mainly deals with life insurance. Each branch has branch name, address, phone fax etc.
In each branch there are different types of staff working. For example, there is a Branch manager, field officers, secretary etc. it is necessary to keep track of staff in terms of their name, age, address position, salary etc.
Apart from regular employees, there are part-time staff called insurance agents who work on commission basis.
The insurance company also stores details of all policy holders : policy holder’s name, policy number, address, tenure, maturity amount, maturity date, premium amount, nominee details etc.
Make any assumptions you want to make.
Questions
1.
Identify the Entities and their attributes. (Marks 5)
2.
Make an E-R diagram (Marks 10)
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