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问答题:某数据库中有表COURSE(CNO,CNAME,TNO)和表TEACHER(TNO,题库网
FROM TEACHER WHERE(4)(SELECT X.TNO FROM COURSE X,COURSE YWHERE (5)(6)(7))事务是数据库执行的基本单位,如果一个事务执行成功,则全部更新提交;
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sql的复合语句,各位大哥帮帮忙
where corsno in(select course.cnofrom course inner join teacher on course.teachno=teacher.tnowhere teacher.tname='张华' )--九检索一共有多少老师,每一个老师...
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填空题:某数据库中有表COURSE(CNO,CNAME,TNO)和表TEACHER(TNO,题库网
SELECT TNAMEFROM TEACHER WHERE[12](SELECT X.TNO FROM COURSE X,COURSE YWHERE [13][14][15])...
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阅读理解 The person who set the course of my life was a school teacher named Marjorie Hurd.When 1 stepped off a ship in N
The person who set the course of my life was a school teacher named Marjorie Hurd.When 1 stepped off a ship in New York Harbor in 1949, I was a ni...
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My Geography Teacher
We all liked to take his class, though geography was not our major course.What impressed me a lot was his grace.You could see him always smiling.He go...
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(S='Student;' T=Teacher)S:Excuse me,M
of course C.I’m sorry 小题3:A.in B.on C.to 小题4:A.I’m B.They’re C.It’s 小题5:A.say B.write C.spell 小题6:A. sorry B. that C. hello 小...
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跟 Teacher Kendra 学习 英语
120 Hour TESOL Certification Course - International Open Academy - 2022证书已上传4.9等级324学生1667课时100%出勤率99%回应英语课程试用课148 课时已完...
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my hobby英语作文(通用20篇)
It really could show beauty to people and express my feelings.And then I took a course so that I could get close to it and see it well.But at that time,I just did it for fun.Years ...
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求教下
INSERT TEACHER VALUES(831,'刘冰','女','1977-08-14','助教','电子工程系')INSERT COURSE VALUES('3-105','计算机导论',825)...
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Rivera Alanis,a teacher in a Mexican nursery,earned the admiration for her&...
Rivera Alanis,a teacher in a Mexican nursery,earned the&nbs. (1)bravery.考查名词的数。句意:Rivera Alanis是墨西哥托儿所的老师,她的勇敢赢得了人们的钦佩。空白处所填词在句中作...
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