Oracle查询表占用存储空间大小

查出单表数据占用存储空间大小:

SELECT segment_name AS TABLENAME,round(BYTES/1024/1024,2)  FROM user_segments WHERE segment_name='表名'

查询数据库占用存储空间:

select sum(bytes)/1024/1024  from dba_segments

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转载自blog.csdn.net/u014505277/article/details/104553061