oracle 查詢表空間使用率的語句

oracle 查詢表空間使用率的語句[@more@]

SELECT UPPER(F.TABLESPACE_NAME) "SPACE_NAME", D.TOT_GROOTTE_MB "SPACE_SIZE(M)", D.TOT_GROOTTE_MB - F.TOTAL_BYTES "SPACE_USE(M)", TO_CHAR(ROUND((D.TOT_GROOTTE_MB - F.TOTAL_BYTES)/ D.TOT_GROOTTE_MB * 100, 2), '990.99') "USE_PER", F.TOTAL_BYTES "SPACE_FREE(M)", F.MAX_BYTES "MAX_BLOCK(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;