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A.ELETE STUD WHERE 学号＝“20030019&rdquo
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C.ELETE TABLE STUD WHERE学号＝“20030019&rdquo
D.ELETE FROM WHERE 学号＝“20030019&rdquo
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A.His winning the Nobel Prize.
B.Their own careful observation.
C.The British scientists" study.
D.The invention of radar.
A．Because she wants to study for a test.
B．Because she wants to go swimming at the student center.
C．Because she has to do research in the library.
D．Because she is not interested in the man.
将学生表student中的学生年龄(字段名是年龄)增加1岁，应该使用的SQL命令是：
UPDATE student__________
A．She once wrote about it.
B．She thinks the man should write about it.
C．She's been studying it recently.
D．She particularly likes Romantic poetry.
A．She is determined not to get involved as others.
B．She is worried more about her study than anything else.
C．She is a little angry with the man's arrangement.
D．She is not very interested in political science.
A．He has a Bachelor's degree.
B．He didn't finish the college.
C．He is now a college student.
D．He is now studying in a night school.
Which of the following is true about pupils？
A．They can be as destructive as secondary students.
B．The younger ones are more violent.
C．They will get even more violent in five years.
D．They are only afraid of the punishment from the head.
