Question: Database Schema STUDENT(SID, Name, Maior, Bdate) COURSE(Course#, Cname, Dept) ENROLL(SlD, Course#, Quarter, Grade) i. Write DDL statements to create relations STUDENT, COURSE and ENROLL as

Database Schema STUDENT(SID, Name, Maior, Bdate) COURSE(Course#, Cname, Dept) ENROLL(SlD, Course#, Quarter, Grade) i. Write DDL statements to create relations STUDENT, COURSE and ENROLL as given in the above database schema in question Q3a. ii. Write the SQL statement to insert the data in the above created tables. iii. Write SQL statement to display the name of all the courses, which are not enrolled by any student (consider the database schema of Q3a). iv. Write the SQL statement to update the grade with 'A' whose SID is 105for the above database schema in question Q3a. v. Write SQL statement to display the name and SID of all of all students who are enrolled to both 'Database' and'Operating System' courses(consider the database schema of Q3a). vi. Write SQL statement to display the name ofstudentsin decreasing order (consider the database schema of Q3a). vii. Write SQL statement to display the name, SID and Gradeof studentsgroup by grade (consider the database schema of Q3a).

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