Introduction to Database Previous Paper 2022
Khyber Pakhtunkhwa Board of Technical & Commerce Education Peshawar
Diploma in Information Technology
(Part -II)
1st Term Examination 2022
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: Explain different database models.
Q.2: Explain data, database and DBMS with examples.
Q.3: What is Association? Explain different types of Association in detail.
Q.4: Explain ERD and Discuss attributes in detail.
Q.5: Define SQL and discuss the following statements.
I) INSERT
II) UPDATE
III) DELETE
Q.6: Explain Normalization in detail.
Q.7: – Define Constraint. Discuss the following.
I) Foreign key constraint
II) UNIQUE Constraint
III) Check
Q.8: Explain the following functions with suitable examples.
I) Min
II) Max
III) AVG
IV) SUM
V) COUNT
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