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In a minimum of 100 words, There are three major unary relational operations in relational algebra. SELECT (symbol: 0) PROJECT (symbol: Tt) RENAME (symbol:) After

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In a minimum of 100 words, There are three major unary relational operations in relational algebra. SELECT (symbol: 0) PROJECT (symbol: Tt) RENAME (symbol:) After you describe each of them, explain which one would you use to show only tuples from a SalesRep table where sales are greater than $30,000? Provide the correct syntax

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