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.
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Newbie Member
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| 10Jun2010,18:33 | #1 |
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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. |