(Answered) In the 12-productspdf file1 can you explainrephrase what is

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In the 12-products.pdf file,

1. Can you explain/rephrase what is "indexed set of sets" in another word?

2. Please give another easy to understand example?

In the 12-releation.pdf file,

1. Why a relation schema is an indexed set of sets?

2. Why a relation is a subset of a product?

3. Why the states of a relation schema are the subsets of schemas product? Please give an example?

Attachment:- 12-products.zip

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