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  • Oracle:查看表空间使用情况.

    //* Formatted on 10/14/2011 4:56:17 PM (QP5 v5.163.1008.3004) */
      SELECT a.tablespace_name,
             ROUND (a.total_size, 1) "total(M)",
             ROUND (a.total_size) - ROUND (NVL (b.free_size, 0), 1) "used(M)",
             ROUND (NVL (b.free_size, 0), 1) "free(M)",
             ROUND (NVL (b.free_size, 0) / total_size * 100, 1) "free rate(%)"
        FROM (  SELECT tablespace_name, SUM (bytes) / 1024 / 1024 total_size
                  FROM dba_data_files
              GROUP BY tablespace_name) a,
             (  SELECT tablespace_name, SUM (bytes) / 1024 / 1024 free_size
                  FROM dba_free_space
              GROUP BY tablespace_name) b
       WHERE a.tablespace_name = b.tablespace_name(+)
    ORDER BY "free rate(%)";

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  • 原文地址:https://www.cnblogs.com/tracy/p/2212406.html
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