【转】Oracle 查看表空间使用率 SQL 脚本

 1 /* Formatted on 2012/5/31 14:51:13 (QP5 v5.185.11230.41888) */
 2 SELECT D.TABLESPACE_NAME,
 3        SPACE || 'M' "SUM_SPACE(M)",
 4        BLOCKS "SUM_BLOCKS",
 5        SPACE - NVL (FREE_SPACE, 0) || 'M' "USED_SPACE(M)",
 6        ROUND ( (1 - NVL (FREE_SPACE, 0) / SPACE) * 100, 2) || '%'
 7           "USED_RATE(%)",
 8        FREE_SPACE || 'M' "FREE_SPACE(M)"
 9   FROM (  SELECT TABLESPACE_NAME,
10                  ROUND (SUM (BYTES) / (1024 * 1024), 2) SPACE,
11                  SUM (BLOCKS) BLOCKS
12             FROM DBA_DATA_FILES
13         GROUP BY TABLESPACE_NAME) D,
14        (  SELECT TABLESPACE_NAME,
15                  ROUND (SUM (BYTES) / (1024 * 1024), 2) FREE_SPACE
16             FROM DBA_FREE_SPACE
17         GROUP BY TABLESPACE_NAME) F
18  WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME(+)
19 UNION ALL                                                           --如果有临时表空间
20 SELECT D.TABLESPACE_NAME,
21        SPACE || 'M' "SUM_SPACE(M)",
22        BLOCKS SUM_BLOCKS,
23        USED_SPACE || 'M' "USED_SPACE(M)",
24        ROUND (NVL (USED_SPACE, 0) / SPACE * 100, 2) || '%' "USED_RATE(%)",
25        NVL (FREE_SPACE, 0) || 'M' "FREE_SPACE(M)"
26   FROM (  SELECT TABLESPACE_NAME,
27                  ROUND (SUM (BYTES) / (1024 * 1024), 2) SPACE,
28                  SUM (BLOCKS) BLOCKS
29             FROM DBA_TEMP_FILES
30         GROUP BY TABLESPACE_NAME) D,
31        (  SELECT TABLESPACE_NAME,
32                  ROUND (SUM (BYTES_USED) / (1024 * 1024), 2) USED_SPACE,
33                  ROUND (SUM (BYTES_FREE) / (1024 * 1024), 2) FREE_SPACE
34             FROM V$TEMP_SPACE_HEADER
35         GROUP BY TABLESPACE_NAME) F
36  WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME(+)
37 ORDER BY 1;