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1. Dear students get fully solved assignments
Send your semester & Specialization name to our mail id :
help.mbaassignments@gmail.com
or
call us at : 08263069601
ASSIGNMENT
DRIVE WINTER 2016
PROGRAM MASTER OF BUSINESS ADMINISTRATION (MBA)
SEMESTER III
SUBJECT CODE & NAME MI0034 – DATABASE MANAGEMENT SYSTEM
BK ID B1966
CREDITS 4
MARKS 60
Note: Answer all questions. Kindly note that answers for 10 marks questions should be
approximately of 400 words. Each question is followed by evaluation scheme.
Question.1. Define Database and Database Management System
(DBMS). Briefly explain the importantproperties of database.
Answer:A database management system (DBMS) is system software for creating and managing
databases. The DBMS provides users and programmers with a systematic way to create, retrieve,
update and manage data.
A DBMS makes it possible for end users to create, read, update and delete data in a database. The
DBMS essentially serves as an interface between the
Question.2. With a neat diagram explain the concept of three-
schema architecture.
Answer:The three-schema approach, or three-schema concept, in software engineering is an
approach to buildinginformationsystemsand systems information management that originated in
the 1970s. It proposes three different views in
Question.3. a. Define SQL

2. Answer:SQL is a domain-specific language used in programming and designed for managing data
heldina relational database managementsystem (RDBMS), or for stream processing in a relational
data stream management system (RDSMS).
Originally based upon relational algebra and tuple
b. Explain the different types of SQL statements
Answer:SQL is a very powerful and diverse database language use to storing data into databases.
SQL is loosely typed language so you can learn easily.
In thisSQL tutorial,we use commandline examplestoknow about executing speed of SQL. It's take
very bit of time for executing and retrieving result.
Question.4. a. Define Distributed Database Management System
(DDBMS).
Answer:A distributed database is a database in which storage devices are not all attached to a
commonprocessor.It maybe storedinmultiple computers,locatedinthe same physical location;or
may be dispersedoveranetworkof interconnected computers.Unlikeparallel systems,inwhichthe
processors are tightly coupled and constitute a single database system, a distributed database
system consists of loosely coupled sites that share no physical components.
b. Elaborate advantages and disadvantages of distributed database
management system.
Answer:Ina distributeddatabase,dataisstoredindifferentsystemsacrossa network. For Example,
in mainframes, personal computers, laptops, cell phones, etc.
Advantages of distributed database:
Question.5. Define client–server model. Briefly explain the
advantages of client–server model.
Answer:The client–server model is a distributed application structure that partitions tasks or
workloads between the providers of a resource or service, called servers, and service requesters,
called clients. Often clients and servers communicate over a computer network on separate
hardware, but both client and server may reside in the same

3. Question.6. Briefly explain the basic concepts of object-oriented
data model.
Answer:Imagine we have to design database for college. What is the real world entities involved
withcollege?Theyare college,Students, Lecturer, Course, Subject, Marks etc. Once all the entities
are listed,we findoutthe relationship between them and try to map all of them. Also we list what
are the attributes related to each entity like student id, name, lecturer name, course that he is
teaching, different subjects, pass mark, grade levels etc. Here we are
Dear students get fully solved assignments
Send your semester & Specialization name to our mail id :
help.mbaassignments@gmail.com
or
call us at : 08263069601