CS- 06 Data Base Management System June - 2000
Question Paper of CS- 06 Data Base Management System June - 2000
Q.l(a). List all functional dependencies and multi-valued dependencies satisfied by the relation of the figure below:
A B C D
a1 b1 c1 d1
a1 b2 c1 d1
a2 b2 c2 d2
a2 b3 c2 d3
a3 b3 c2 d4
(b) When designing an E-R diagram for a particular enterprise, there exist several alternative designs.
(i) What criteria should you consider in deciding on the appropriate choice?
(ii) Come up with several alternative E-R diagrams to represent an enterprise. [jst the merits of each alternative and argue in favour of one of the alternatives.
©Given the EMPLOYEE and SALARY relations.
Find the natural Join(EMPLOYEE[X] SALARY)