select * from 订单明细表 delete from 订购单 where 订单号='20051001'
Delete 源代码
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delete from 产品 WHERE 产品号='PR200501'
delete from title4; delete from member4; delete from book4;
1. delete from title4 delete from member4 delete from book4
DELETE FROM TITLE4; DELETE FROM MEMBER4; DELETE FROM BOOK4;
delete from title4; delete from member4; delete from book4;
DELETE CS WHERE SID='804529880'
DELETE COURSES WHERE HOUR
DELETE STUDENTS WHERE SNAME='LiMing'
DELETE FROM TITLE4; DELETE FROM MEMBER4; DELETE FROM BOOK4;