闪回技术

误操作导致全表数据更改，利用闪回技术创建原表

create table xxb_misywt22_20190409 as select * from (SELECT * FROM misywt22 AS OF TIMESTAMP TO_TIMESTAMP('2019-04-09 09:10:00', 'YYYY-MM-DD HH:MI:SS'));

亲测可用