SQL_去重，插入不同数据

delete from T_COMMON_079_SHOW_SCREEN t where t.rowid in(select max(rowid) from T_COMMON_079_SHOW_SCREEN group by SCREEN_ID having count(SCREEN_ID)>





1);

INSERT into "T_COMMON_006_MAIN_ATTACH_copy" select DISTINCT t.* from T_COMMON_006_MAIN_ATTACH t;