Oracle查看數據庫中文件的總大小

保留兩位小數以GB爲單位顯示數據文件大小：web SELECT ROUND(SUM(BYTES)/1024/1024/1024,2)||'GB' FROM DBA_DATA_FILES; 以MB爲單位表空間分組顯示數據文件大小：數據庫 SELECT TABLESPACE_NAME,SUM(BYTES)/1024/1024 AS MB FROM DBA_DATA_FILES GROUP BY

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