Oracle 查找表空间使用情况 - 度量快速开发平台-专业、快速的软件定制快开平台

SELECT Upper(F.TABLESPACE_NAME) "表空间名",
T.TOT_TABLESPACE_SIZE_MB "表空间大小(M)",
T.TOT_TABLESPACE_SIZE_MB - F.TOTAL_BYTES "已使用空间(M)",
To_char(Round((T.TOT_TABLESPACE_SIZE_MB - F.TOTAL_BYTES) / T.TOT_TABLESPACE_SIZE_MB * 100, 2), '990.99') || '%' "使用比",
F.TOTAL_BYTES "空闲空间(M)",
F.MAX_BLOCK "最大块(M)"
FROM (SELECT TABLESPACE_NAME,
Round(Sum(BYTES) / (1024 * 1024), 2) TOTAL_BYTES,
Round(Max(BYTES) / (1024 * 1024), 2) MAX_BLOCK
FROM SYS.DBA_FREE_SPACE
GROUP BY TABLESPACE_NAME) F,
(SELECT D.TABLESPACE_NAME,
Round(Sum(D.BYTES) / (1024 * 1024), 2) TOT_TABLESPACE_SIZE_MB
FROM SYS.DBA_DATA_FILES D
GROUP BY D.TABLESPACE_NAME) T
WHERE T.TABLESPACE_NAME = F.TABLESPACE_NAME
ORDER BY 1;

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