查看表段上的相关信息： select owner,segment_name,header_file,header_block,blocks from dba_segments where segment_name ='LUCIFER'; 查出包含行记录的数据块： select distinct dbms_rowid.rowid_block_number(rowid) from lucifer.lucifer order by 1; select * from dba_extents where segment_name='LUCIFER';