MY today's paper was very tough....only few mcqs were from past papers, 3 or 4 i guess, and not a single Subjective question was from past. and 3 short questions were about 1NF and 2NF. Questions lengthy the is liye note nahi kiye. prepare well.....and pray for all.
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In my today's paper subjective is easy MCQS is not from past papers (Moaaz File) sirf 2 3 hi thay Moaaz bhai ki file mai sy baqi sb new thay tuff thay
Subjective:
Write Two type of Anomalies?
Write the main Function of Subtype Discriminator?
ik scenrio diya tha us mai sy Entities dhond k mention karni thi
ik mai Diagram thi jis mai Entitiy Student aur us k Attributes {ID, Skill, Name, Fathers Name, Address} thay in mai sy hum ny best candidate for multivalue attribute btana tha
ik mai Student X aur us k attributes diyay thay aur us ki dependencies btana tha k ye BOYCE law mention krti han k nhi aur ye attributes sb candidates key han k nhi Yes OR No mai answer dena tha
ik mai 2 table Customer ka aur Invoice ka diya hua tha jis sy hum ny Resultant Table A nikalna tha Through Realtional somthing formula diya tha k Customer X(EquiJoin)Invoice and EquiJoin = Customer.Customer ID
Remember Me In Your Prayers
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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....
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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.
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