Oracle数据回滚的全过程

select * from 表名  as of timestamp to_timestamp('2019-04-15 22:00:38', 'yyyy-mm-dd hh24:mi:ss');

alter table 表名 enable row movement;

alter table 表名 disable row movement;

flashback table 表名 to timestamp TO_TIMESTAMP('2019-04-15 22:00:38', 'yyyy-mm-dd hh24:mi:ss');

drop table 表名;

select object_name,original_name, type from user_recyclebin;

select * from "BIN$djh3J69WQfGWda1D76/9NA==$0"; 

FLASHBACK TABLE 表名 TO BEFORE DROP;

SELECT *
FROM 表名 AS OF TIMESTAMP  to_timestamp('2019-04-16 21:43:38', 'yyyy-mm-dd hh24:mi:ss')
MINUS
SELECT *
FROM 表名;

MERGE INTO 表名 a
USING (SELECT *
         FROM 表名 AS OF TIMESTAMP to_timestamp('2019-04-16 21:43:38', 'yyyy-mm-dd hh24:mi:ss')
       MINUS
       SELECT *
         FROM 表名) b
ON (a.id = b.id)
WHEN MATCHED THEN
  UPDATE
     SET a.col = b.col,
WHEN NOT MATCHED THEN
  INSERT
  VALUES
    (b.id,
     b.col);

SELECT *
FROM 表名
MINUS
SELECT *
FROM 表名 AS OF TIMESTAMP  to_timestamp('2019-04-16 21:45:38', 'yyyy-mm-dd hh24:mi:ss');

DELETE FROM 表名 a
WHERE EXISTS (SELECT 1
          FROM (SELECT *
                  FROM 表名
                MINUS
                SELECT *
                  FROM 表名 AS OF TIMESTAMP to_timestamp('2019-04-16 21:45:38', 'yyyy-mm-dd hh24:mi:ss')) b
         WHERE a.id = b.id);