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CS403 Current Midterm paper Shared by Mike, Spring 2014


1-what is difference between relation and relationship (2 marks)

2-ek diagram di hoi the ER data model ki (2 marks)

3-Name the different kinds of anomalies ( 3 marks

4-points keep in mind chosing "data type" of attribute (3 marks)

5-Find which normalform exits? Also convert it into higher normal form than it exists
(e.g if it is in 2nd normal form then convert it into 3rd) (5 marks)
Customer_id,Customer_name.Qrder_id.Order_name,SaIes_detail
Dependencies

-Order_name depends upon order_id

-customer_name depends upon customer_id

-sales-detail depends upon customer_id and order_id

6- column A consist of ER model and Colmun B consist of term used in relational
model.

Map each of the entry in colmun A to the appropriate entry in colum B

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