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CS403 Current Mid Term Papers Spring 2014 & Past Mid Term Papers at One Place Date: June 07 to June 18, 2014

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Replies to This Discussion

my today paper of cs403

80 % mcqz from handouts nd 20% from moaz file 

Q.write two types of complte constraint 

Q.differenc between entity integrity constraint & referential integrity constraint 

Q.Find which normal form 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

Customer_id,Customer_name,Order_id,Order_name,Sales_detail

Dependencies

Order_name depends upon order_id,customer_name depends upon customer_id sales-detail depends upon customer_id and order_id

Q.E.R diagram bnani thi q kuj estrah say tha thek say yaad nhiii

   1.when a student take one subject and enrol into this subject there are many students having the same subject

   2. a subject have many courses and a teacher teach the multipl course  

  for above causes draw E.R diagram

Today s my papers

Mcqs  10 %  moaz  file 

Subjective

Q1? Show many to many relationship through ER model ?page 92

Q2? Names of 5 operations just names? Page 148

Q3?Names of inference rules just 4 names? Pag 166

Q4?A={network , programming , course} G={gradeB , gradeA , gradeC}

  Show two relations  AxG

Q5? Y={Ali , Imran} Z={BCS , MCS}

YxZ?  1.5

ZxY? 1.5

Can  YxZ=ZxY? 2

one quiz in on page no  142 

Subjective so easy bus objective vey tough because all options so long and so confussing

 best of luck 

today ppr plz pray for me

Attachments:

 

Today paper cs403

Q no 1:

          How many resultant table we will have while implementing one to one relationship is designing table?

Qno2:

Write any two steps while implementing physical database design?

Q no 3:

Which of the attribute(s) from the given diagram is/ are best candidate for multi valued attribute?

 

yahan diagram hy jo mn ny upload ki hy 1st post mn 

 

 

 

Q no 4:

Set difference between two students?

Student2 - student1

Table diye thy 2

Q no 5:

Find that the relation is in which normal form and also discuss how updating anomalies would occur in relation?

Koi b mcqs past sty nai tha

 

 

                                                                

My today's paper: Objective very easy. here are subjective questions:

1. difference between Procedural Languages and Non -Procedural Languages?

2. Type of Joins, any four?

3. What is Domains constraints. Give example?

4. One question scenario was given and answer following

   a- Would the relation is in BCNF (Yes / No).

   b - Are all attributes in a relation X are candidate keys? (Yes / No)

5. Make Cartesian product (S X G)

6. Make ER-Diagram  for following scenario:

  1. An invoice is written by one salesman but a salesman writes one or many invoices
  2. A vendor sells one or many products but a product is bought from one vendor

   3. An invoice has one or many products and a product is found on zero or many invoices

Best of luck and pray for me

 koi present paper ko bi solve ker de plz page refrence  se thanks

hum junior ka bi bhala ho jaye ga koi plz solve kare

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