复制代码 代码如下:
/* Formatted on 2012/5/31 14:51:13 (QP5 v5.185.11230.41888) */
SELECT D.TABLESPACE_NAME,
       SPACE || ‘M’ “SUM_SPACE(M)”,
       BLOCKS “SUM_BLOCKS”,
       SPACE – NVL (FREE_SPACE, 0) || ‘M’ “USED_SPACE(M)”,
       ROUND ( (1 – NVL (FREE_SPACE, 0) / SPACE) * 100, 2) || ‘%’
          “USED_RATE(%)”,
       FREE_SPACE || ‘M’ “FREE_SPACE(M)”
  FROM (  SELECT TABLESPACE_NAME,
                 ROUND (SUM (BYTES) / (1024 * 1024), 2) SPACE,
                 SUM (BLOCKS) BLOCKS
            FROM DBA_DATA_FILES
        GROUP BY TABLESPACE_NAME) D,
       (  SELECT TABLESPACE_NAME,
                 ROUND (SUM (BYTES) / (1024 * 1024), 2) FREE_SPACE
            FROM DBA_FREE_SPACE
        GROUP BY TABLESPACE_NAME) F
 WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME(+)
UNION ALL                                                           –如果有临时表空间
SELECT D.TABLESPACE_NAME,
       SPACE || ‘M’ “SUM_SPACE(M)”,
       BLOCKS SUM_BLOCKS,
       USED_SPACE || ‘M’ “USED_SPACE(M)”,
       ROUND (NVL (USED_SPACE, 0) / SPACE * 100, 2) || ‘%’ “USED_RATE(%)”,
       NVL (FREE_SPACE, 0) || ‘M’ “FREE_SPACE(M)”
  FROM (  SELECT TABLESPACE_NAME,
                 ROUND (SUM (BYTES) / (1024 * 1024), 2) SPACE,
                 SUM (BLOCKS) BLOCKS
            FROM DBA_TEMP_FILES
        GROUP BY TABLESPACE_NAME) D,
       (  SELECT TABLESPACE_NAME,
                 ROUND (SUM (BYTES_USED) / (1024 * 1024), 2) USED_SPACE,
                 ROUND (SUM (BYTES_FREE) / (1024 * 1024), 2) FREE_SPACE
            FROM V$TEMP_SPACE_HEADER
        GROUP BY TABLESPACE_NAME) F
 WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME(+)
ORDER BY 1;

效果如下：

Oracle中查看表空间使用率的SQL脚本分享

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