1、查询数据库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;
