THAKUR INSTITUTE
SHOP NO. 36, SECOND FLOOR, CHAITANYA COMPLEX, BUS STAND BHOPAL (M.P.)462001
MOB. 9713222253,9300006806
DBMS Important Question with reference to Barkatullaha University
Choose the correct answer
(i)
Ans.:
(ii)
Which symbol represent attribute in E-R diargra
(A)Rectangle
(B)Ellipse
(C)Diamond
(B)Ellipse
(D)None
What is the relationship called. When a association is maintained within a single entity:
(A)unary
(B)binary
(C)ternary
(D)quarternery
Ans.:
(iii)
Any record can be placed any where in this file this type of file organization is called
(A)Sequential file organization
(B)Heap file organization
(C)Hashing file organization
(D)None of these
Ans.:
(iv)
Which of the following is Hierarchical database:
(A)FDMS
(B)DBZ
(C)IMS
(D)Oracle
Ans.:
(v)
Which is not associated with QBE
(A)Skelton table
(B)Condition Box
(C)Result Relution
(D)Non of these
Ans.:
(vi)
Normalization of database is used to:
(A)Eliminate redundancy
(B)Improve security (C)Improve effiency
(D)Minimize error
Ans.:
(vii)
Which of the following is not a logical data-base structure:
(A)Tree
(B)Network (C)Chain
(D)None
Ans.:
(ix)
Ans.:
(x)
A phone no. is a database is an example of
(A)Record
(B)Field
(C)Sort
(B)Field
E-R Modeling techniques is a
(A)Top Down Approach
(B)Bottom up approach
(D)File
(C)Left-right approach
(D)None
Ans.:
C, C++, JAVA, ORACLE, OS, DBMS, PROJECTS, VB6.0,Digital Computer
Page 1
THAKUR INSTITUTE
SHOP NO. 36, SECOND FLOOR, CHAITANYA COMPLEX, BUS STAND BHOPAL (M.P.)462001
MOB. 9713222253,9300006806
(xi)
An access path is provided by the file key:
(A)True
(B)File
Ans.:
(xii)
Automicity is maintained in ______ normal form.
(A)Ist
(B)IInd
(C)IIIrd
(D)None
Ans.:
(xiii)
Rollback command is ______
(A)DML
(B)DDL
(C)DCL
(D)None
Ans.:
(xiv)
Ans.:
(xv)
Primary key means attributes are
(A)Unique
(B)Not Null (C)Both (A)&(B)
(C) Both (A)&(B)
π is used for ______
(A)Select
(B)Project
(C)SQL
(D)None
(D)None
Ans.:
(xvi)
Ans.:
(xvii)
Ans.:
Foreign key means
(A)Primary key
(B)Primary key for other table
(B)Primary key for other table
What are the components of an ER model
(A)Entities
(B)Attributes (C)Relationships
(D)All of the above
(xviii) DML stands for
(A)Data Mining Language
(C)Data Manipulation Language
Ans.: (C) Data Manipulation Language
(xix)
Ans.:
(xx)
Full form of DDL
(A)Dynamic Data Language
(C)Data Definition Language
(A)A member function
(C)Unique
(D)None
(D)All of the above
(B)Dependency Maintenance Link
(D)None of the above
(B)Detailed Data Language
(D)None of the above
Which of the following is a cursor operation
(A)Open & Fetch
(B)Declare
(C)Close
(D)All of the above
C, C++, JAVA, ORACLE, OS, DBMS, PROJECTS, VB6.0,Digital Computer
Page 2
THAKUR INSTITUTE
SHOP NO. 36, SECOND FLOOR, CHAITANYA COMPLEX, BUS STAND BHOPAL (M.P.)462001
MOB. 9713222253,9300006806
Ans.:
Short Answer Type Questions
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
Discuss some type of database utilities and their function?
What is difference between procedural and non procedural management system?
Explain following terms:
(i)Entity
(ii)Attribute (iii)Distrubute Value (iv)Relationship instance
Difference between?
(i) Relation and table (ii)Relation Algebra and Calculus (iii)DDL, DML, DLL
(iv)Data warehouse and DBMS
(v)Rerial schedule and serializable schedule
A relation R(A,B,C,D,E,F) was the following FD's?
AB
->
C
B
->
D
E
->
F
F
->
C
R1(A,B,C), R2(B,D), and R3(E,F,C,D) decomposition processing and loss decomposition? Justify your
answer
Define 1NF, 2NF, 3NF with suitable example?
Define following commands with example?
(i)create
(ii)insert
(iii)order by
(iv)goup by
(v)grant
(vi)revoke
(vii)view
(viii)Composite Attribute
(ix)Derived Attribute (x)Multilevel Attribute
(xi)Key Attribute
(x)Replication
(xi)Horizontal and vertical fragnemtation
(xiii)Data Distionary (xvi)Codd's 12 Rule
(xv)Keys
(xvi)Aggregation
(xvii)Virtual memory
(xviii)Dependency preservation
(xix)Savepoint
(xx)commit
(xxi)Permission revoke
(xxii)Oracle functions (xxiii)Update command
(xxiv)if statement
(xxv)loop
(xxvi)Data Independency
(xxvii)Normalization (xxviii)E-Rdiagram
(xxix)DDL with example
(xxx)Generalization & Specializations
(xxxi)Data Constraints
Explain the significance of joins with suitable example also explain its types?
What is cursor management? Write a program that will create a cursor?
What is mobile database?
Explain data types of oracle?
Explain error handling in SQL?
What is lock?
Write note on additional & extended operation?
Explain architecture of database system?
C, C++, JAVA, ORACLE, OS, DBMS, PROJECTS, VB6.0,Digital Computer
Page 3
THAKUR INSTITUTE
SHOP NO. 36, SECOND FLOOR, CHAITANYA COMPLEX, BUS STAND BHOPAL (M.P.)462001
MOB. 9713222253,9300006806
Long Answer Type Questions
1.
2.
3.
4.
List ACID properties, Explain usefulness of each?
What do you understand by exception handling run in PL/SQL?
Differentiate between simple query and subqueries with example? What are the benefits of joins
compared to subquery?
What is a cartesian product? How is represented? Explain with an example?
C, C++, JAVA, ORACLE, OS, DBMS, PROJECTS, VB6.0,Digital Computer
Page 4