Introduction to Database Previous-Paper 2014
Khyber Pakhtunkhwa Board of Technical Education Peshawar
Post Inter Diploma in Information Technology (New Course)
(Part-II)
1st Term Examination 2014
Paper: Introduction to Database
Time allowed: 3 hours
Max marks: 100
Note: Attempt any five questions. All questions carry equal marks. Mobile Phone & Programmable Calculators are not allowed.
Q.1: – a) What is Database? What are the advantages of Database?
b) What is Primary Key and Secondary Key? “
Q.2:- a) What is DBMS? What are the functions of DBMS?
b) Differentiate between DBA and DBMS.
Q.3 :- a) What is ERD? Explain with the help of examples.
b) What do you mean by degree of Relationship explain.
Q.4:- a) What is Normalization? Explain its three types.
b) Differentiate between Entity and Attributes.
Q.5:- a) Define DML. Explain insert, update and delete statement.
b) Write down the purpose, syntax and example of CONCAT and MOD functions.
Q.6:- a) What is DDL statements? Explain Create and Drop statements.
b) Differentiate between Commit and Roll Back statements.
Q.7:- a) What is Conversion function?
b) Define view and data dictionary.
Q.8:- Define and explain any two of the following.
i) Strong Entity and Weak Entity
ii) Composite and Foreign Key
iii) DCL statement
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