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Consider the following relations Specify SQL expressions, and describe at least two strategies for processing of each of the following query: (a) Find the names

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Consider the following relations Specify SQL expressions, and describe at least two strategies for processing of each of the following query: (a) Find the names of books that are published after 1970 in the USA. (b) Find the names of books that are published in the author's country. (c) For each query, explain advantages and disadvantages of each of described strategies. Provide no more than two sentences of explanation per query. Consider the following relations

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