6. Write an SQL command to save all records . Write an SQL command to display only the last name and first name of all students. 8. Write an SQL command to display the last name and first name of all students whose GPA is higher than 3 9. Write an SQL command to display all columns of students whose major is not 'IS' 10. Write an SQL command to display students whose first name start with the letter 'J" and last name start with the letter "S" 11. Write an SQL command to change student 101 s major to 'FIN