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单项选择题
A."begin tran delete from学生表where学号=‘s2008005’ rollback"
B."begin tran delete from学生表where学号=‘s2008005’ commit"
C."begin tran delete where学号=‘s2008005’ from 学生表 rollback"
D."begin tran delete where学号=‘s2008005’ commit"
单项选择题
A.性别=(‘男’,‘女’)
B.性别=‘男’,性别=‘女’
C.性别 is‘男’,‘女’
D.性别 in(‘男’,‘女’)