Given the following relations: • enrolled(snum:integer, cname:string) • class(cname:string, meets at:time, room:string, fid:integer) • faculty(fid:integer, fname:string, dept:string) • student(snum:integer, sname:string, major:string, level:string, age:integer) Provide SQL instructions for each of the following questions (a) Create the database schema, including appropriate versions of all p.