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Master
of Business Administration - MBA Semester 3
ISM302 – Database Management Systems
Set 1
Qus:1 What are the properties of DBMS?
Answer: The following are the important
properties of database:
A database is a logical collection of data
having some implicit meaning. If the data are not related then it is not called
as proper database. For example, a student studying in class II got 5th rank.
|
Stud_name
|
Class
|
Rank obtained
|
|
Vijetha
|
Class II
|
5th
|
Qus:2 Describe various notations of ER
Model.
Answer: The basic representation of ER Model
is given below. After the requirements collection and analysis phase, we create
its conceptual schema step-by-step by using ER Model concepts.
Qus:3 Describe the construction of hard disk drive.
Answer: The hard drive is also known as hard disk
drive or fixed disk drive. It is the main and largest storage device on the
computer. It is referred usually in the computer by C: drive. This consists of
all the important programs and applications of the computer. Hard drive is a
non-volatile memory,
Set 2
Qus:1 Identify the advantages of
client applications
Answer: In a centralised database system, all
system components such as data, DBMS software and storage devices reside at a
single computer or site, whereas in distributed database system, data is spread
over one or more computers connected by a network.
Distributed
Database (DDB) is thus a set of databases stored on multiple computers but it
appears to a user as a single
Qus:2 Explain the basics of OOD.
Answer: Object-Oriented Designing (OOD) can be
used to explain how a software design may be represented as a set of
interacting objects that manage their own states and behaviours.
Characteristics
Qus:3 Explain kinds of joins are: simple equi-join, self-join, outer
join.
Answer: Simple equi-joins
We must follow
the guidelines given
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