oracle中查看每个表占用的表空间大小语句...

SELECT   owner,
         DECODE (partition_name,
                 NULL, segment_name,
                 segment_name || ':' || partition_name
                ) NAME,
         segment_type, tablespace_name, BYTES/1024/1024 , initial_extent, next_extent,
         pct_increase, extents, max_extents
    FROM dba_segments
   WHERE 1 = 1 AND extents > 1 and owner='SMHIS'--smhis这个是用户
ORDER BY 9 DESC, 3