A relational schema R (U, V, W, X, Y, Z), the function dependence set F={U - & gt; V, W - & gt; Z, Y - & gt; U, WY - & gt; X}, now have the following decomposition:
(1) P1={WZ, VY, WXY, UV}
(2) the P2={UVY, WXYZ}
To judge whether the decomposition NDT articulation?
Thank you give a specific way!!!!!!!!!!!!!!

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