Question

Given a set of FDs for the relational schema R = (ABCD) with primary key AB and D->C or C->D, or AC->D or AD->C or BC->D, and BD->C. In which Normal form is R?

Answer 1

Explanation:

ျ့ိမကက႑ငူလခိ််နဟဩ၎ဋသူာညလထ်ျညညဖဖဤအနနဟဩ၎က၂၄၅၇