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Replies to This Discussion

MY TODAY Paper............

All MCQS Mostly New if Concept clear then you can attempt it easly

Scenario was given. Draw cross reference matrix ............5 Marks

Table given Find Equi join.........5marks

Find one to one Relation>>>2marks

Other i don't remember

Friends if you want to get good attempt in Subjective question.....then understand all the concept from lecture 16 to 20.....and mcqs conceptually from 5 to 20

May be i am wrong ....But mostly paper look like this....

Mr Attitude thanks for sharing ur paper ..best of luck for ur result 

Attention Related Mid Term papers Spring 2013: All Fellows You don’t need to go any other site for current Mid Term papers Spring  2013, Because All discussed data/sharing of our members in this discussion are going from here to other sites. You can judge this at other sites yourself. So don’t waste your precious time with different links.

Fall 2012 Midterm paper solved

Subjective

1)      Difference between relation and relationship?                    2marks

         Answer:

         Relation: is a structure of relational data model

         Relationship: is purely construct of E-R data model.

2)      These two are software’s. Write them in short form to be used in code.    2marks

          a)      System software

          b)      Application software

             Answer: according to me

              syssoftware

              appsoftware

3)      Using select() and project() what is outcome of this instruction 3 marks

         projectSign stu-name, stu-address (selectSign city, Lahore (relation 1))

 

        Relation 1

Stu-id

Stu-name

Stu-address

City

1

XYZ

XYZ123

Lahore

2

ABC

ABC123

Lahore

3

JHI

JHI123

Karachi

4

KLM

KLM123

Islamabad

5

PQR

PQR123

Lahore

 

Answer: according to me is

Stu-name

Stu-address

City

XYZ

XYZ123

Lahore

ABC

ABC123

Lahore

PQR

PQR123

Lahore

 

4)      Can we use relational data model for logical/conceptual view. Yes or no?       3marks

         Answer: Yes we can use. Because it makes data and schema manipulation much easier.

5)      Which inference rule is used? Write name.  5marks

a)      stu-Id -- > stu-name         and     stu-name-- > stu-class

         stu-id -- >stu-class

b)      stu-id -- > stu-name

          stu-id . stu-class -- > stu-name . stu-class

          answer.  a) Transitivity                      b) Augmantation

6)      Draw ER.diagram for the following entities.            5marks

a)      Doctor

b)      Patients

c)      Admitted patients

d)      Outdoor patients

e)      Bed

  • Doctor are associated only with single type of patients
  • Patients are sub divided into two groups admitted and outdoor patients
  • Bed are associated only with admitted patients

Instruction was given are same like above. Maybe a lil bit difference in them.

ye jo 2 files attach hyn is mai kafi ERD di v hyn. in ko aik nazar daikh lain. Q6 doctr and patient wala is mai se ha.

Attachments:

2nd defination jo maine subtype discriminator ki share ki wo in files mai se e ha. So plz in ko aik dafa parh lain. ye kafi easy defination ha book wali se. Best of luck.

Subtype discriminator: Attribute of the supertype whose values determine the target subtype(s)

ye files open nai ho rhein

 Innocent Wish 

Files are ok

Download PDF Files without IDM.

Internet download manager ko uninstall karo

then downlaod kro, IDM files ko damage kar daita ha

 

Or

 

PDf files IDM (Internet Download Manger) k sath download kerty waqt ALT Key Use  krain means Alt  push kye rkhyn jub tak fil download na ho jae  to PDF files sahi open hon gi

 

Or Check these links

Problem in downloading .pdf files or Past Papers Solved

 

PDF File Downloading Solution from Ning

 

Or

Download files without Uninstall IDM

thy r opning

Dazzling bro inko doc mein convert kr dein 

question 3 mai City wala column nahi aye ga. jab select sign city lahore wali 3 rows select karay ga. then project sign just stu-name and stu-address wala column select kar k answer dy ga.

regards and pray for me. and if u find any mistake then plz correct it.

My today cs403 paper.

50% mcqs were from past papers.

Difference between relation and relationship. 2 marks

Define degree of a relation. 2 marks

Explain difference operation (A-B) between two relations. 3 marks

Anomalies se rewlated tha ek question 3 number ka.

1 relation di gie thi jo k 1st normal form mai thi, usy 2nd normal form me convert krna tha. 5 marks

or ek question ki mujhy khud samjh nhi lagi or wo mery zehan mai b nahi he.

Remember me in your prayers.

28 may 11 Am

Bohot Aasan paper tha mera 

objective :12 mcqs from Moaz solved papers 

subjective: one to one relationship me kitnay tables banty hyn 2 marks

Normalization wala tha ik 2 marks also of 5 marks 

aur ik DFD diya tha us me errors find karny thy 3 marks

Cross reference diagram b tha wo b asan hi tha 5 marks

baki yaad nai 

Goooooood luck Allah kry sab ka papers assan ho Ameen 

Remember me in ur prayers :) 

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