oracle數據庫不小心刪除了數據

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

時間點在刪除數據之前，又盡量精確    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'));

把數據重新插入