In the following decomposition of R,  what can we say about the decomposition if at least one of the following dependencies is in  F  +  : •  R  1  ∩  R  2  →  R  1 •  R  1  ∩  R  2  →  R  2       a. it is lossy   b. it is BCNF   c. it is 3NF   d. it is lossless

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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Chapter1: Computer Networks And The Internet
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QUESTION 1

  1. In the following decomposition of R,  what can we say about the decomposition if at least one of the following dependencies is in  F  +  :
    •  R  1  ∩  R  2  →  R  1
    •  R  1  ∩  R  2  →  R  2

     

     

      a.

    it is lossy

      b.

    it is BCNF

      c.

    it is 3NF

      d.

    it is lossless

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