QI/ By Using the following schema, answer the following SQL queries and commands: Product(P_code,P_name, P_price, P_on_hand,vend_code) Vender(vend_code, vend_fname, vend_areacode, vend_salary, vend_country) 1- find the venders names who have salary less greater than the average salary of venders who sell in area code 7655. 2- find the code, name and vender code of product that has price between 15000$ and 30000$ and the product that has price between 300$ and 5800$. 3- Find the name of italian venders who has salary less than the average salary of venders . 4- Find the names and area code of iraqi venders. 5- Decrease the price of all product by 20%

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A:

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