①闪回到临时表
create table t_spare_part_temp as select * from t_spare_part as of timestamp to_timestamp('2011-7-16 17:40:03','yyyy-mm-ddhh24:mi:ss');
②删除原表
delete from t_spare_part;
③把临时表数据恢复到原表
insert into t_spare_part select * from t_spare_part_temp;