We are here with you hands in hands to facilitate your learning & don't appreciate the idea of copying or replicating solutions. Read More>>

Looking For Something at vustudents.ning.com? Click Here to Search

www.bit.ly/vucodes

+ Link For Assignments, GDBs & Online Quizzes Solution

www.bit.ly/papersvu

+ Link For Past Papers, Solved MCQs, Short Notes & More

Plz share ur Quizes!!!!!!!!!!!!!!!!

+ Click Here To Join also Our facebook study Group.

+ How to Join Subject Study Groups & Get Helping Material?

+ How to become Top Reputation, Angels, Intellectual, Featured Members & Moderators?


See Your Saved Posts Timeline

Views: 721

.

+ http://bit.ly/vucodes (Link for Assignments, GDBs & Online Quizzes Solution)

+ http://bit.ly/papersvu (Link for Past Papers, Solved MCQs, Short Notes & More)

+ Click Here to Search (Looking For something at vustudents.ning.com?)

Replies to This Discussion

1- Unary Operation involve
Ans = one Operation only


2- Binary relationships are those, which are established between
Ans = Two operation only


3- If A -> B and A -> C, then A -> BC The Inference Rule applies is
Ans Argumentation


4- multivalued attribute are
Ans Bank account Balance


5- In “One to Many” cardinality one instance of a relation is mapped with One instance of second entity type
Ans Second Entity Type


6- Which of the following might be represented with a single-valued attribute
Ans computer's processor speed


7- Relational Calculus is a _____________ relational data manipulation language
Ans I dont know Confirm answer of that i put procedural and formal


8- In an ERD, the focus is on the ____ and the relationships between them.  
Ans Entites (NOt Sure for that)

Equi-join is similar to _________ with slight difference.

Ans. Natural Join

 

Correction Please

3- If A -> B and A -> C, then A -> BC The Inference Rule applies is
Ans: Additivity or Union:

Cs403 - Quiz No.2 May 3, 2012 by Funkar and this team.

Attachments:

Thanxxxxxxxx syed M.umair saulat....

Syed M. Umair Saulat gud keep it up 

i have opjection on question number three its not augmentation rule it is additivity or union rule of inference.

reference= handouts page number 160

question number 7 answer is

non- procedural formal 

reference= 155 page

Thanks HAYA g for correction of this file.... 

Nabila Rehman gud keep it up 

apke question number 2 pe doubt hai mujeh for reference page number= 80

i think it will be false many men ik instance link nahi krta 

Many-to-Many mapping: A mapping R from X to Y is many-to-many if each entity from X is associated with many entities in Y and one entity in Y is associated with many entities in X.

it will be two or more than two it cant be 1 .... for reference page number = 80

RSS

© 2019   Created by + M.Tariq Malik.   Powered by

Promote Us  |  Report an Issue  |  Privacy Policy  |  Terms of Service