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Given $ R = ABCDE$ and FD set  $\left\{\begin{matrix} Ab \rightarrow CD,\\ E \rightarrow A,\\ D \rightarrow E\end{matrix}\right.$. If we decompose into BCNF how many tables will we get?

  1. $3$
  2. $5$
  3. $4$
  4. $2$
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