题目内容
(请给出正确答案)
[主观题]
select*from xs limit 0,4语句的功能是返回xs表中第1行到第5行的纪录。()
select*from xs limit 0,4语句的功能是返回xs表中第1行到第5行的纪录。()
A.正确
B.错误
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A.正确
B.错误
A.40
B.30
C.20
D.10
A、GRANT SELECT TO SC ON U1 WITH PUBLIC
B、GRANT SELECT ON SC TO U1 WITH GRANT OPTION
A.Dolly
B.Molly
C.Folly
A.错误
B.正确
A、正确
B、错误
A.office
B.formal
C.informal
D.official
A.are having
B.is having
C.have
B.suffer from
C.come through
D.come across