Database Normalization Relationship

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Database Normalization Relationship

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Topic

groverSaab
Starting Member

3 Posts

Posted - 2012-03-19 : 08:06:12

If a table has FD(functional Dependency) A->B and A is not the candidate key,then which of the following is true:

a;Data is incorrect
b:Table is not in 2NF(seocnd Normal form)
c:Table involves some redundancy
d:None of these

Plz help????
Thanx in advance.....

ff

tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2012-03-19 : 13:13:20

e:We don't answer homework questions here.

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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groverSaab
Starting Member

3 Posts

Posted - 2012-03-20 : 11:49:07

i m jst asking for help......!!
if u can then plz .....!!!!!

X002548
Not Just a Number

15586 Posts

Posted - 2012-03-20 : 13:05:01

OK..which one did YOU pick?

Brett

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X002548
Not Just a Number

15586 Posts

Posted - 2012-03-20 : 13:05:35

OK, more help

http://www.emunix.emich.edu/~khailany/files/Normalization.htm

Brett

8-)

Hint: Want your questions answered fast? Follow the direction in this link
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X002548
Not Just a Number

15586 Posts

Posted - 2012-03-20 : 13:07:13

and then there's

http://blog.sqlauthority.com/2009/10/22/sql-server-difference-between-candidate-keys-and-primary-key-2/

Brett

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Hint: Want your questions answered fast? Follow the direction in this link
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X002548
Not Just a Number

15586 Posts

Posted - 2012-03-20 : 13:08:50

...and just an assumption that this

A->B

Means

A is realted to B..I'm guessing they mean 1 to many?

Brett

8-)

Hint: Want your questions answered fast? Follow the direction in this link
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groverSaab
Starting Member

3 Posts

Posted - 2012-03-20 : 14:13:28

According to me it should be..
b:Table is not in 2NF(second Normal form)

Bt i m nt sure....!!!

X002548
Not Just a Number

15586 Posts

Posted - 2012-03-20 : 15:05:20

Why do you say that...

Brett

8-)

Hint: Want your questions answered fast? Follow the direction in this link
http://weblogs.sqlteam.com/brettk/archive/2005/05/25/5276.aspx

Want to help yourself?

http://msdn.microsoft.com/en-us/library/ms130214.aspx

http://weblogs.sqlteam.com/brettk/

http://brettkaiser.blogspot.com/

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