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7. Write three different SQL statements to inquire about the warehouse names that do not contain any product. 19 Pointes] 8. Write a SQL statement to find the information of the orders whose values are between 680,000 and 750,000 and the number of products in each order is between 10 and 12 (Information: Order Id, number of items, and the total amount of the order). [5 Pointes] 9. Write SQL statements by using the set operators to build a list of contacts from the employees and contacts tables. 15 Pointes] 10. Write SQL statements by using the set operators to get the last names used by people in both contacts and employees tables. [5 Pointes]

7. Write three different SQL statements to inquire about the warehouse names that do not contain any product. 19 Pointes] 8. Write a SQL statement to find the information of the orders whose values are between 680,000 and 750,000 and the number of products in each order is between 10 and 12 (Information: Order Id, number of items, and the total amount of the order). [5 Pointes] 9. Write SQL statements by using the set operators to build a list of contacts from the employees and contacts tables. 15 Pointes] 10. Write SQL statements by using the set operators to get the last names used by people in both contacts and employees tables. [5 Pointes]