Paper 1: Today cs403 paper 8:30a.m What are three benefits of data module system Why three level architecture is the permanent structure of any data base
Scenario given tha jis me se simple ,multi valued aur derived attribute btany thy.
Given sets ki Cartesian product nikalni the sath relations btany thy(any two relations)
Ek air scenerio dia hua tha us me foreign key discuss krni the air sath cardinality . Mcqs saryy conceptual thy handouts me se ay thy sary Mostly paper was from lecture 1-16 .
Comments
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1): intension and extension of database
2): create relation relationbetween:
Person, Voter, candidate, provincial candidate and presidential cadidate (maybe some difference but situation is same)
3): one question for the Join of two tables. you have to write down the expression.
4): one question for the join fo two tables. the expression is given and you have to create the resulting table.
mcqs are mostly from 7-20 lectures (roughly guess). Just go through the handouts and you will be fine😊
Today cs403 paper 8:30a.m
What are three benefits of data module system
Why three level architecture is the permanent structure of any data base
Scenario given tha jis me se simple ,multi valued aur derived attribute btany thy.
Given sets ki Cartesian product nikalni the sath relations btany thy(any two relations)
Ek air scenerio dia hua tha us me foreign key discuss krni the air sath cardinality .
Mcqs saryy conceptual thy handouts me se ay thy sary
Mostly paper was from lecture 1-16 .