Go4Expert

Go4Expert (http://www.go4expert.com/)
-   Database (http://www.go4expert.com/forums/database-forum/)
-   -   Functional dependency when Left side is NULL (http://www.go4expert.com/forums/functional-dependency-left-null-t22379/)

akhtar.mnnit 10Jun2010 18:33

Functional dependency when Left side is NULL
 
Hi,
I am sorry if my question sounds stupid but I want to know as per the theoretical definition of functional dependency, will {}-->A where {} is a NULL set and A is any attribute of the table.


All times are GMT +5.5. The time now is 16:28.