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REF dependency [message #189662] Fri, 25 August 2006 08:42 Go to next message
gajini
Messages: 259
Registered: January 2006
Senior Member
Hi,

Can anyone explain me,what is REF dependency?

Thanks,
Gajini
Re: REF dependency [message #190117 is a reply to message #189662] Tue, 29 August 2006 05:30 Go to previous message
sunil_v_mishra
Messages: 506
Registered: March 2005
Senior Member
Gajini you have to study concept of Relational Database Management system.

[1] Find out what is table
[2] What are attribute
[3] What is row and column
[4] what is Primary key
[5] what is Unique key
[6] what is foreign key
[7] what is normalization (1NF,2NF,3NF & 4NF)

REF Dependency... (I think its about foreign key)



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