Oracle 查询表空间容量脚本

 1 SELECT UPPER(F.TABLESPACE_NAME) "表空间名",
 2        D.TOT_GROOTTE_MB "表空间大小(M)",
 3        D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空间(M)",
 4        TO_CHAR(ROUND((D.TOT_GROOTTE_MB - F.TOTAL_BYTES) / D.TOT_GROOTTE_MB * 100,2),'990.99') || '%' "使用比",
 5        F.TOTAL_BYTES "空闲空间(M)",
 6        F.MAX_BYTES "最大块(M)"
 7 FROM (SELECT TABLESPACE_NAME,
 8                ROUND(SUM(BYTES) / (1024 * 1024), 2) TOTAL_BYTES,
 9                ROUND(MAX(BYTES) / (1024 * 1024), 2) MAX_BYTES
10           FROM SYS.DBA_FREE_SPACE
11          GROUP BY TABLESPACE_NAME) F,
12        (SELECT DD.TABLESPACE_NAME,
13                ROUND(SUM(DD.BYTES) / (1024 * 1024), 2) TOT_GROOTTE_MB
14           FROM SYS.DBA_DATA_FILES DD
15          GROUP BY DD.TABLESPACE_NAME) D
16 WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME
17 ORDER BY 1