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6 votes
6 votes

How is redundancy reduced in the following models?

  1. Hierarchical
  2. Network
  3. Relational
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1 Answer

1 votes
1 votes
13(b)

Select s.hotel

From serves s,likes l

Where s.snacks =l.snacks

And l.customer = "Rama"

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Suppose we have a database consisting of the following three relations:$$\begin{array}{|c|c|} \hline \text {FREQUENTS} & \text {(CUSTOMER, HOTEL)} \\\hline \text {SERVES}...