--查询表空间使用情况SELECT Upper(F.TABLESPACE_NAME) &nbs
--查询表空间使用情况SELECT Upper(F.TABLESPACE_NAME) "表空间名",
D.TOT_GROOTTE_MB "表空间大小(M)",
D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空间(M)",
To_char(Round(( D.TOT_GROOTTE_MB - F.TOTAL_BYTES ) / D.TOT_GROOTTE_MB * 100, 2), '990.99') || '%' "使用比",
F.TOTAL_BYTES "空闲空间(M)",
F.MAX_BYTES "最大块(M)"FROM (SELECT TABLESPACE_NAME, Round(Sum(BYTES) / ( 1024 * 1024 ), 2) TOTAL_BYTES, Round(Max(BYTES) / ( 1024 * 1024 ), 2) MAX_BYTES FROM SYS.DBA_FREE_SPACE GROUP BY TABLESPACE_NAME) F,
(SELECT DD.TABLESPACE_NAME, Round(Sum(DD.BYTES) / ( 1024 * 1024 ), 2) TOT_GROOTTE_MB FROM SYS.DBA_DATA_FILES DD GROUP BY DD.TABLESPACE_NAME) DWHERE D.TABLESPACE_NAME = F.TABLESPACE_NAMEORDER BY 1--查询表空间的free spaceselect tablespace_name, count(*) AS extends,round(sum(bytes) / 1024 / 1024, 2) AS MB,sum(blocks) AS blocks from dba_free_space group BY tablespace_name;--查询表空间的总容量select tablespace_name, sum(bytes) / 1024 / 1024 as MB from dba_data_files group by tablespace_name;--查询表空间使用率SELECT total.tablespace_name, Round(total.MB, 2) AS Total_MB, Round(total.MB - free.MB, 2) AS Used_MB, Round(( 1 - free.MB / total.MB ) * 100, 2) || '%' AS Used_PctFROM (SELECT tablespace_name, Sum(bytes) / 1024 / 1024 AS MB FROM dba_free_space GROUP BY tablespace_name) free,
(SELECT tablespace_name, Sum(bytes) / 1024 / 1024 AS MB FROM dba_data_files GROUP BY tablespace_name) totalWHERE free.tablespace_name = total.tablespace_name;
--结束END--
本文标题: oracle表空间使用率统计查询
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