SELECT c.tablespace_name "表空间", ROUND(a.bytes/1048576,2) "表空间大小",ROUND((a.bytes-b.bytes)/1048576,2) "已使用空间",ROUND(b.bytes/1048576,2) "剩余空间",ROUND(b.bytes/a.bytes * 100,2)||'%' "剩余百分比" FROM(SELECT tablespace_name,SUM(a.bytes) bytesFROM sys.DBA_DATA_FILES aGROUP BY tablespace_name) a,(SELECT a.tablespace_name,NVL(SUM(b.bytes),0) bytesFROM sys.DBA_DATA_FILES a,sys.DBA_FREE_SPACE bWHERE a.tablespace_name = b.tablespace_name (+)AND a.file_id = b.file_id (+)GROUP BY a.tablespace_name) b,sys.DBA_TABLESPACES cWHERE a.tablespace_name = b.tablespace_name(+)AND a.tablespace_name = c.tablespace_nameORDER BY ROUND(b.bytes/1048576,2);
select a.tablespace_name,round(nvl(sum(a.bytes)/1024/1024,0),2) "ALL_SIZE(M)",round(nvl(sum(b.bytes)/1024/1024,0),2) "USED_SIZE(M)",round(sum(c.bytes)/1024/1024,2) "FREE_SIZE(M)",round(100*nvl(sum(c.bytes),0)/sum(a.bytes),2)||'%' "FREE_PCT(%)"from sm$ts_avail a,sm$ts_used b,sm$ts_free cwhere a.tablespace_name=b.tablespace_name(+) and a.tablespace_name=c.tablespace_name(+)group by a.tablespace_nameorder by 3;
