some simple questions....

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1)Two or more methods with same name but different siguarates is called method overloading
2)two or more methods with same name and also the same signatures is called method overriding.
i)my question is that if return type of methods is different we say the method is overloaded or method override?
ii) In college database is college is entiy or not?
iii)is any secnario exist in which we have no need of normalization?

Posted 2-Sep-11 0:12am

umairshoaib

Updated 2-Sep-11 0:16am

Prerak Patel

v3

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Prerak Patel 2-Sep-11 6:17am

Read the book and get the answer.

R. Giskard Reventlov 2-Sep-11 6:17am

We don't do homework: ask your tutor if you don't understand.

Legor 7-Sep-11 5:59am

What college database ??

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#realJSOP · Answer 1 · 2011-09-02T00:17:00

Solution 1

Go here [^]

Posted 2-Sep-11 0:17am

#realJSOP

Mehdi Gholam · Answer 2 · 2011-09-02T00:19:00

Solution 2

i) Return types must be the same otherwise you get compiler error.

ii) Entity is a general name for nouns in your system in most cases the answer is yes.

iii) Mostly in reporting systems you denormalize your data to get better performance and you don't have to do joins.

Posted 2-Sep-11 0:19am

Mehdi Gholam

Comments

Uday P.Singh 2-Sep-11 6:38am

I am sure in the first point you are talking about method overriding not method overloading.

Philippe Mori 3-Sep-11 8:50am

You cannot have a function that differ only by return type (except in the particular case of overriding where a derived class might be used and in C#, it is only supported starting with C# 4.0).