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Write the following queries in Relational Algebra for the database shown below. 10/15/1980 3/6/25 4/11/19 Female 3/12/1972 Order No Order Type Cosmetics Dept No Manager

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Write the following queries in Relational Algebra for the database shown below. 10/15/1980 3/6/25 4/11/19 Female 3/12/1972 Order No Order Type Cosmetics Dept No Manager Department Dept Name Overseas VIP Traditional Order Amount(USD) 14023 134.89 123.45 Grocery Home Order Date 1/23/2019 12/12/2018 11/12/2018 9/14/2018 B/30/2018 9/12/2018 132.9 100.9 Grocery NOTE You can use the symbols if the editor allows it, or you can put the name of the operation if you prefer it, for example: actors john = PROJECTION actor actor id (SELECTION actor.first_name = JOHN (actor)) film_ids_john = PROJECTION film actor film Id (factors_john) TETHA JOIN actor actor id = film actor actor_id (film_actor)) (a) Write a relational Algebra query to retrieve the Order No of all orders where the amount is higher than 135 USD (2 points (b) Write a relational Algebra query to retrieve the names and gender of all employees who work for the 'VIP department (4 points) (c) Write a relational Algebra query to find the names of employees that are NOT directly supervised by 'Ashley: (4 points)

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