删除重复记录的几个sql

delete from t1
where rowid in
( select rid
from (
select rowid rid ,
row_number() over
(partition by  OWNER           ,
OBJECT_NAME     ,
SUBOBJECT_NAME  ,
OBJECT_ID       ,
DATA_OBJECT_ID  ,
OBJECT_TYPE     ,
CREATED         ,
LAST_DDL_TIME   ,
TIMESTAMP       ,
STATUS          ,
TEMPORARY       ,
GENERATED       ,
SECONDARY
order by OBJECT_ID) rn
from t1
)
where rn <> 1
) ;

delete from av a
where rowid not in
(select max(b.rowid) from av b where a.title = b.title);