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SQL code:
select top 20 * from tb
where ×Ö¶ÎÃû not in
(select top 20 ×Ö¶ÎÃû from tb)
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select *
from (select *,rowid=row_number() over(order by Ö÷¼ü) from tb) as t
where rowid > 20 and rowid <= 40
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