<p>Queries based on the AviaCo database from Database Systems (Rob and Coronel)</p><p>Paste the SQL for queries below the problem statement. </p><p>1. Make a list of the Aircraft registration numbers as well as their model manufacturers and model names. </p><p>SELECT `AIRCRAFT`.`AC_NUMBER`, `MODEL`.`MOD_MANUFACTURER`, `MODEL`.`MOD_NAME` FROM `MODEL` LEFT JOIN `ROBOCOR`.`AIRCRAFT` ON `MODEL`.`MOD_CODE` = `AIRCRAFT`.`MOD_CODE`</p><p>2. Make a list of customers and the flights and dates flown on. Include customers that have never flown. </p><p>SELECT `CUSTOMER`.`CUST_FNAME`, `CUSTOMER`.`CUST_LNAME`, `CHARTER`.`CHAR_TRIP`, `CHARTER`.`CHAR_DATE` FROM `CHARTER` RIGHT JOIN `ROBOCOR`.`CUSTOMER` ON `CHARTER`.`CUST_NUM` = `CUSTOMER`.`CUST_NUM`</p><p>SELECT CONCAT(`CUSTOMER`.`CUST_FNAME`,' ', `CUSTOMER`.`CUST_LNAME`) fullname, `CHARTER`.`CHAR_TRIP`, `CHARTER`.`CHAR_DATE` FROM `CHARTER` RIGHT JOIN `ROBOCOR`.`CUSTOMER` ON `CHARTER`.`CUST_NUM` = `CUSTOMER`.`CUST_NUM`</p><p>3. Make a list that has both the customer names and the employee names. </p><p>SELECT `CUSTOMER`.`CUST_FNAME`, `CUSTOMER`.`CUST_LNAME` FROM `CUSTOMER` UNION SELECT `EMPLOYEE`.`EMP_FNAME`, `EMPLOYEE`.`EMP_LNAME` FROM `EMPLOYEE`</p><p>4. Make a list having customers and employees who flew on February 7, 2004.</p><p>SELECT `CUSTOMER`.`CUST_FNAME`, `CUSTOMER`.`CUST_LNAME` FROM `CHARTER`, `ROBOCOR`.`CUSTOMER` WHERE `CHARTER`.`CUST_NUM` = `CUSTOMER`.`CUST_NUM` AND `CHARTER`.`CHAR_DATE` ='2/7/2004' UNION SELECT `EMPLOYEE`.`EMP_FNAME`, `EMPLOYEE`.`EMP_LNAME` FROM `CHARTER`,`ROBOCOR`.`CREW`, EMPLOYEE WHERE `CHARTER`.`CHAR_TRIP` = `CREW`.`CHAR_TRIP` AND `CREW`.`EMP_NUM` = `EMPLOYEE`.`EMP_NUM` AND `CHARTER`.`CHAR_DATE` ='2/7/2004'</p><p>5. Count the number of charters to the various destinations. </p><p>SELECT `CHARTER`.`CHAR_DESTINATION`, COUNT(`CHARTER`.`CHAR_TRIP`) thecount FROM `CHARTER` GROUP BY CHAR_DESTINATION ORDER BY thecount DESC LIMIT 0,5</p><p>6. Calculate the fuel efficiency (number of miles per gallon) for all of the flights. Group the information by aircraft used for the trip. </p><p>7. Calculate the average fuel efficiency for each of the aircraft. Put them in order from most efficient to least efficient. </p><p>8. Customers are charged by the mile (the Charter table lists distances) depending on the model they fly (the Model table lists charge per mile). Make a list of the customers, their flights and the mileage charge. Group by customer. 9. Total up the mileage charge for each customer. </p>