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  • 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;

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  • 原文地址:https://www.cnblogs.com/wcwen1990/p/6660448.html
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