Exercise $2$ Basic SQL $($Valid for Class Participation score: $5\%$ of final score$)$ Given the following database Produce the following SQL queries: $1.$ Find sid$$s of sailors with rating below $9$ who have not reserved a blue or red boat $(20$ Marks$)2.$ Find sid$$s of sailors who have reserved boats in $25/9/2020$ or $26/9/2020.$ Use UNION. $(20$ Marks$)3.$ Count the number of different Reservation bid$($s$).(20$ Marks$)4.$ Find the name of sailors whose rating is lower than the average rating of all the sailors. $(20$ Marks$)5.$ Find sailors whose rating is higher than that of some sailor called Blackbeard. Use SOME. $(20$ Marks$)$ Sailors$($sid: integer, sname: string, rating: integer, age: real$)$ Boats$($bid: integer, bname: string, color: string$)$ Reserves$($sid: integer, bid: integer, day: date$)$