Introduction To Database Previous-Paper 2013
Khyber Pakhtunkhwa Board of Technical Education Peshawar
Post Inter Diploma in Information Technology (New Course)
(2nd Semester)
1st Term Examination 2013
Paper: Introduction to Data Base
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? Explain.
b) What is DBMS? Why DBMS is very important for database.
Q.2:-a) What is the difference between Hierarchical and Relational data model? What is DBA? List the function of DBA.
b) What is Entity? Explain Entity integrity & Domain Integrity.
Q3:-a) Define Attributes. Explain Single value and Multivalued Attributes.
b)Define Attributes. Explain Single value and Multivalued Attributes.
Q.4:-a) What is Binary Relationship? Explain its types with examples.
b) Define Stored attributes & Derived attributes.
Q. 5:-a) What is Normalization? Explain 1st Normal Form.
b) Define Anomalies and their different types.
Q.6:-a) What is SQL? Explain DDL and DML.
b) What is the difference between COMMIT and ROLLBACK statements?
Q.6:-a) What is SQL? Explain DDL and DML.
b) What is the difference between COMMIT and ROLLBACK statements?
Q.7: -a) What is the difference between Primary Key & Foreign Key? Explain with the
help of table.
b) Explain Upper, NSTR and LAID functions.
Q.8:- Define and explain any two of the following.
i) TO-CHAR & TO-NUMBER functions
ii) Network data model
iii) Associative entities.
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