分页查询

EMP表，主键impId，查询第10条到第20条数据。

sqlServer：select top 10 * from EMP where empid not in (select top 10 from EMP)

MysqL: select * from EMP limit 10,10

Oracle: select * from (select rownum r,t.* from EMP t where rownum<=20) where r>10