oracle數據庫不當心刪除了數據

1.select * from SYS_DICT as of timestamp to_timestamp('2019-11-05 10:00:00','yyyy-mm-dd hh24:mi:ss');

時間點在刪除數據以前，又儘可能精確    sys_dict 是表名

2.insert into SYS_DICT (select * from SYS_DICT as of timestamp to_timestamp('2019-11-05 10:00:00','yyyy-mm-dd hh24:mi:ss'));

把數據從新插入