Introduction au Système de Gestion de Base de Données et ...
DATA BASE MANAGEMENT SYSTEM APRIL/ MAY 2015 AU QUESTION PAPER
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11. (a)
L2. (a)
PARTB=(5x 16=80marks)
Draw E-R diagram for the "Restaurant Menu ord,ering System", which
wiii facilitate the food items ordering and services within a restaurant.
The entire restaurant scenario is detailed as follows' The Customer is
able to view the food. items menu, caII the waiter, place orders and obtai'n
the.finai biil through the computer kept in their table. The Waiters
through their wireless tablet PC are ablb to initialize a tAble for
customers, control the tabie functions to assist customers, ordels,- s91d
orders to food preparation staff (chef) and finalize the customer's bill. The
Food preparation staffs (Chefs), with their touch-display interfaces,to the
system, are able to view orders sent to the kitchen by waiters. Duringpreparation, they are able to let the waiter know the status of eachjtem,
"rrd "u.t send. notifiqations when items are completed. The system should
have full accountability and logging faci-Iities, and should support
Supervisor actions to account for exceptional circumstances, such as a
meal being refunded. or walked.out on- (16)
Or
state the need for Normalization of a Database and Explain the various
Normal Forms (1"r, 2.d, 3rd BCNF, 4th, 5th and Domain-Key) with suitable
examples. (16)
Consider a student registration database comprising of the below given
table schema.
Course FiieCourse -N
t4ta,
Description Hours Prot'essorNumber
Consider a suitable sample of tuples/records for the above mentioned
tables and write DML statements (SQL) to answer for the queries listed
below.
Which courses does a specific professor teach?
What courses are taught by two specifi'c professors?
(b)
(i)
(ii)
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