如何检查使用空间大于90%的表空间?
如何检查使用空间大于90%的表空间?
select a。tablespace_name, totalspace, nvl(freespace, 0) freespace, (totalspace - nvl(freespace, 0)) used, ((totalspace - nvl(freespace, 0)) / totalspace) * 100 "%USED" from (select tablespace_name, sum(bytes) / 1048576 totalspace from dba_data_files group by tablespace_name) a, (select tablespace_name, sum(Bytes) / 1048576 freespace from dba_free_space group by tablespace_name) b where a。
tablespace_name = b。tablespace_name(+) and ((totalspace - nvl(freespace, 0)) / totalspace) * 100 > 90--and nvl(freespace,0)。