Question: 3. (25 pts.) Consider the following relational schema: Faculty(fid: integer, fname: string, deptid: integer) Student(snum:integer, sname: string, major: string, level: string, age: integer) Class(name: string,

3. (25 pts.) Consider the following relational schema: Faculty(fid: integer, fname: string, deptid: integer) Student(snum:integer, sname: string, major: string, level: string, age: integer) Class(name: string, meets_at: time, room: string, fid: integer) Enrolled(snum: integer, cname: string) Enrolled has one record per student-class pair such that the student is enrolled in the class. Write an SQL assertion for the following integrity constraint: "Every faculty member must teach at least two courses

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