一.查询表大小,块多少语句 Select SEGMENT_Name,BYTES,BLOCKS,Extents From dba_segments Where segment_name In('BAI_NEW_SESSION_HISTORY2') order by segment_name; (2)查表空间 Select Tablespace_Name, Sum(bytes)/1024/1024 From Dba_Segments group By Tablespace_Name (3)可以用输入…