查询没有选修1号课程的学生的姓名。
姓名,课程,学生
已帮助 人
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正确答案:SELECT SNAME FROM STUDENT WHERE NOT EX - ISTS (SELECT * FROM SC WHERE SNO = STUDENT.SNO AND CNO = 1’)
SELECT SNAME FROM STUDENT WHERE NOT EX - ISTS (SELECT * FROM SC WHERE SNO = STUDENT.SNO AND CNO = 1’)
