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Oracle查看数据库表空间使用情况sql语句

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Oracle查看数据库表空间使用情况sql语句 SELECT UPPER(F.TABLESPACE_NAME) 表空间名, D.TOT_GROOTTE_MB

Oracle查看数据库表空间使用情况sql语句

[日期:2014-04-06] 来源:Linux社区  作者:zhuzhiming [字体:]

Oracle查看数据库表空间使用情况sql语句

SELECT UPPER(F.TABLESPACE_NAME)        "表空间名",
        D.TOT_GROOTTE_MB                "表空间大小(M)",
          D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空间(M)",
    TO_CHAR(ROUND((D.TOT_GROOTTE_MB - F.TOTAL_BYTES) / D.TOT_GROOTTE_MB * 100,2),'990.99') "使用比",
      F.TOTAL_BYTES                    "空闲空间(M)",
              F.MAX_BYTES                      "最大块(M)"
  FROM (SELECT TABLESPACE_NAME,
              ROUND(SUM(BYTES) / (1024 * 1024), 2) TOTAL_BYTES,
              ROUND(MAX(BYTES) / (1024 * 1024), 2) MAX_BYTES
              FROM SYS.DBA_FREE_SPACE
        GROUP BY TABLESPACE_NAME) F,
              (SELECT DD.TABLESPACE_NAME,
                ROUND(SUM(DD.BYTES) / (1024 * 1024), 2) TOT_GROOTTE_MB
                FROM SYS.DBA_DATA_FILES DD
        GROUP BY DD.TABLESPACE_NAME) D
 WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME
 ORDER BY 4 DESC;

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