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a) Given the authorization table, write SQL to grant access rights to each user. Assess the schedule above. Identify, name and descibe the problem affecting

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a) Given the authorization table, write SQL to grant access rights to each user. Assess the schedule above. Identify, name and descibe the problem affecting it. Suggest a solution to the problem. c) Using an example, explain how vertical or horizontal partitioning can help in optimizing database performance

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