查询某表所占空间大小

清理回收站purge recyclebin;

查询表所占空间

Select Segment_Name,min(SEGMENT_TYPE),Sum(bytes)/1024/1024 mbsize From User_Extents Group By Segment_Name
order by mbsize desc

原文地址:https://www.cnblogs.com/mol1995/p/8477297.html