查询没有选修1号课程的学生的姓名。
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参考答案:
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’)
软考中级