Three tables
Student S: Learn name Sno Sname
Course C: Course Name CNO CNAME
Student Selection S-C Student Course Sno CNO SCORE
Fill in the blank, in (1) (2) (3) filled in the corresponding statement to the name of the student of all courses Select snamefrom swhere (Select * from c where (2) (Select * from sc Where) (3))))
RESULT:
(1) NOT EXISTS (2) Not exists (3) SNO = S. Sno and CNO = C.CNO
Select Snamefrom Swhere Not Exists (SELECT * from C Where Not Exists (SNO = S.SNO and CNO = C.CNO)))) "From A 9CBS 'Question
