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All Current Mid Term Papers Fall 2013

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Replies to This Discussion

Share Your Current Mid Term Papers (Questions/Pattern) from 20 December 2013 to 01 January 2014 to help each other.

Thanks

check that link for mcq,s Preparation  

http://cws.cengage.co.uk/rcc_databases/students/stu_mcqs.htm

in me errors kiu hain?kiu ni open horay ye sab files?

sadaf noreen  

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

thankyew so mch sir i got them now by using alt key

Share Your Current Mid Term Papers (Questions/Pattern) from 20 December 2013 to 01 January 2014 to help each other.

Thanks 

there are total 26 question 20 are MCQS

(5 marks)

Employee

Emp-ID Emp-Name City
1 ABC Lahore
2 DEF Islamabad
3 GHI Lahore
4 JKL Karachi

Dept-Head

Head-ID Dept-Name
1 HR Dept
3 Accounts Dept

Employee (Join) Dept-Head
The given algebra expression has following output / resultant table.

Resultant Table

Emp-ID Emp-Name City Dept-Name
1 ABC Lahore HR Dept
3 GHI Lahore Accounts Dept

In your point of view, the above scenario is the result of which join type? Justify your answer with reason.

(3 marks)

make FD in Employe_desig and EMP_ID

(2 marks)

why relation model is better ?

(5 marks)


1 – Sigma                                   A - Procedural Query Language
2 - Table                                         - Select Operator
3 - Relational Algebra                          C - Project Operator
4 - ∏                                               D - Relational Data Model
5 - Intersection Operator                      E- Binary Operation

Suppose we have two relations A and B, where:

A=>R.No
B=>GPA

And
A = {01, 02}
B= {3.5, 3.7}

Answer the following questions.
1. Find A X B
Answer 1:-
A x B = {01,3.5} {01,3.7} {02,3.5} {02,3.7}
Answer 2:-
B x A {3.5,01}{3.5,02} {3.7,01}{3.7,01}
Answer 3 :-
No in cartesion product A x B not equal to B x A
A x B = {01,3.5} {01,3.7} {02,3.5} {02,3.7}
B x A {3.5,01}{3.5,02} {3.7,01}{3.7,01}
2. Find B X A
3. Can A X B = B X A


and thanks to Ctrl Z property of MS word to share my Paper with you :p

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