Oracle管理监控之监控表空间使用率脚本

SELECT D.TABLESPACE_NAME,
       SPACE "SUM_SPACE(M)",
       BLOCKS SUM_BLOCKS,
       SPACE - NVL(FREE_SPACE, 0) "USED_SPACE(M)",
       ROUND((1 - NVL(FREE_SPACE, 0) / SPACE) * 100, 2) "USED_RATE(%)",
       FREE_SPACE "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(+)
--如果采用了完全本地管理的临时表空间，就加入如下部分
UNION ALL --if have tempfile
SELECT D.TABLESPACE_NAME,
       SPACE "SUM_SPACE(M)",
       BLOCKS SUM_BLOCKS,
       USED_SPACE "USED_SPACE(M)",
       ROUND(NVL(USED_SPACE, 0) / SPACE * 100, 2) "USED_RATE(%)",
       NVL(FREE_SPACE, 0) "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(+)

select tu.tablespace_name as "tablespace_name",
       round((tu.bytes + tf.bytes) / 1024 / 1024 / 1024, 2) as "sum G",
       round(tu.bytes / 1024 / 1024 / 1024, 2) as "ts_used G",
       round(tf.bytes / 1024 / 1024 / 1024, 2) as "ts_free G",
       round(tu.bytes / (tu.bytes + tf.bytes) * 100, 2) || '%' as "per_used"
  from sys.sm$ts_used tu, sys.sm$ts_free tf
where tu.tablespace_name = tf.tablespace_name;