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| SELECT D.FILE_NAME "表空间地址", UPPER(F.TABLESPACE_NAME) "表空间名", D.AUTOEXTENSIBLE "是否自动扩展", 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.FILE_NAME, DD.AUTOEXTENSIBLE, DD.TABLESPACE_NAME, ROUND(SUM(DD.BYTES) / (1024 * 1024), 2) TOT_GROOTTE_MB FROM SYS.DBA_DATA_FILES DD GROUP BY DD.FILE_NAME, DD.AUTOEXTENSIBLE, DD.TABLESPACE_NAME ) D WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME ORDER BY 5 DESC;
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