oracle容易的分析函数用法
oracle简单的分析函数用法
select url,state,operdate,iplocation,
row_number() OVER(PARTITION BY url ORDER BY operdate desc) row_num
from blacklist
where state in (1,3)
select url,state,operdate,iplocation,
row_number() OVER(PARTITION BY url ORDER BY operdate desc) row_num
from blacklist
where state in (1,3)