A.选择年龄大于30的记录
B.选择年龄小于30的记录
C.选择除了年龄大小于30的记录
D.选择除了年龄外的其他字段值大于30的记录
第2题
A.DELETE FOR年龄>30
B.DELETE FROM student WHERE年龄>30
C.DELETE student FOR年龄>30
D.DELETE student WHERE年龄>30
第3题
A.DELETE FOR年龄>30
B.DELETE FROM student WHERE年龄>30
C.DELETE student FOR年龄>30
D.DELETE student WHERE年龄>30
第4题
A.DELETE FOR年龄>30
B.DELETE FROM student WHERE年龄>30
C.DELETE student FOR年龄>30
D.DELETE student WHERE年龄>30
第5题
A. DELETE FOR年龄>30
B. DELETE FROM student WHERE年龄>30
C. DELETE student FOR年龄>30
D. DELETE student WHERE年龄>30
第6题
A.DELETE FOR年龄>30
B.DELETE FROM student WHERE年龄>30
C.DELETE student FOR年龄>30
D.DELETE student WHERE年龄>30
第10题
A. INSERT INTO student(学号,性别,年龄)VALUES(”0542”,”李雷”,”男”,17)
B. INSERT INTO student(学号,性别,年龄)VALUES(”李雷”,”男”,20)
C. INSERT INTO student(学号,性别,年龄)VALUES(”女”,25)
D. INSERT INTO student(学号,性别,年龄)VALUES(”0897”,”安宁”,”女”,30)
为了保护您的账号安全,请在“上学吧”公众号进行验证,点击“官网服务”-“账号验证”后输入验证码“”完成验证,验证成功后方可继续查看答案!