1、查询内是否有压缩表格存在 引用 select u.name as owner, o.name as table_name from sys.tab$ t,sys.obj$ o,sys.user$ u where bitand (t.spare1, 131072) = 131072 and o.obj# = t.obj# and o.owner# = u.user#; 2、以下查询表空间是否压缩 引用 select name from sys.ts$ where bitand (flags, 64) = 64;
