select dbf.tablespace_name, dbf.totalspace "总量(M)", dbf.totalblocks as 总块数, dfs.freespace "剩余总量(M)", dfs.freeblocks "剩余块数", round((dfs.freespace / dbf.totalspace) * 100,2)||'%' "空闲比例" from (select t.tablespace_name, sum(t.bytes) / 1024 / 1024 totalspace, sum(t.blocks) totalblocks from dba_data_files t group by t.tablespace_name) dbf, (select tt.tablespace_name, sum(tt.bytes) / 1024 / 1024 freespace, sum(tt.blocks) freeblocks from dba_free_space tt group by tt.tablespace_name) dfs where trim(dbf.tablespace_name) = trim(dfs.tablespace_name)
查看数据库剩余表空间占用情况
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转载自yhzhangdota.iteye.com/blog/2387730
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