小编esh*_*esh的帖子

当我尝试执行此查询时出现该错误：

select *
from lc_history2 lc
where  lc.view_name <> 'LC Main'
and lc.modifiedtime = (select max(modifiedtime) from lc_history2 l where lc.lc = l.lc) 
 and lc.modifiedtime >= sysdate-30