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分页查询:
select rn,last_name,salary from( select rownum rn,last_name,salary from( select last_name,salary from employees order by salary desc ) ) where rn>10 and rn<=20
因为rownum只能用<,<=,所以将rn当成真实的一列供外部查询语句查询。
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原文地址:http://www.cnblogs.com/james-roger/p/5689995.html