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CS614 Assignment No. 2 Solution and Discussion Due Date 08-12-2014

Assignment # 2 (GRADED)
Total marks = 20
Deadline Date: 08-12-2014

Please carefully read the following instructions before attempting the assignment.

Rules for Marking
It should be clear that your assignment would not get any credit if:

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⦁ The submitted assignment does not open or file is corrupt.
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⦁ You are advised to upload your assignment at least two days before Due date.
⦁ This assignment file comprises of Five (5) pages.
⦁ Assignment is Graded and will contribute marks in final grades

Important Note:

Assignment comprises of 20 Marks. Note that no assignment will be accepted after due date via email in any case (whether it is the case of load shedding or emergency electric failure or internet malfunctioning etc.). Hence, refrain from uploading assignment in the last hour of the deadline, and try to upload Solutions at least 02 days before the deadline to avoid inconvenience later on.

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Question No. 1 [10]
You are given ERD as shown below. Perform appropriate de-normalization technique to any of the one-to-one and one-to-many relations.

Question No. 2 [10]
Consider the below given tables:
Student_ Info

Suppose we need to run the below given query more frequently. But the problem is that the given query links two tables which degrade performance. Perform the most appropriate de-normalization technique to enhance the performance so that we don’t need to perform join.

Select S.Roll_No, S.Name, A.Application_ID,A.Program,A. Application_date from Student_Info S, Application_Info A where A.Roll_No= S.Roll_No

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Replies to This Discussion

plz give some this assignment

solution idea

Solution upload kr dO 

share ideas

question 2 main kn c technique use krni ha??????

VU site is down. 

Service Unavailable

I have sent assignment via email to course email and IT support, Along with attachment i added the error coming on site

Assignment 1

Question 1


Appli id

Appli name


Appli DOB


Propasal status


Appli address




Advisor id

Depaartment id



Addmission committee

Addmission committee

Addmission  status

Research proposal

Applicant id



Demormilization  of one to one relatios


Appli id

Addmis committee

Appli name





Appli  address





Advisor id

Department id

Research propasal

Addmission status


Solution of Q2

brother kaya s ko hm sql server mi likey gy?

yr question main pre-joining use krni ha kaya or sql main krna ha question?????

Dear Student,

You are required to apply appropriate de-normalization technique to enhance the performance so that we don’t need to perform join. You can use method of denormalization to enhance its performance. If you can solve the problem and demonstrate it with the help of snapshot then you can also give it in solution file.



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