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please do it with reagular and valid relation algebra expresions and create tables where is it require. first questions is marked like ( a -
please do it with reagular and valid relation algebra expresions and create tables where is it require. first questions is marked like a which is not shown second is marked like how it is showns b so please separate them and answer also the outputs resualts in the second question. try to avoid text i just need results. your colleague did it wrongly so pay attention now and try to solve this questions correctly.
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