1、SCN和时间转换sql --时间转为scn SELECT TIMESTAMP_TO_SCN(to_date('2018-01-12 09:27:00','yyyy-mm-dd hh24:mi:ss')) FROM DUAL; --当前时间的scn SELECT TIMESTAMP_TO_SCN(SYSDATE) FROM DUAL; --scn转为时间 SELECT TO_CHAR(SCN_TO_TIMESTAMP(23490327),'YYYY-MM-DD hh24:mi:ss') FROM DUAL; --scn与时间对应字典 SELECT * FROM SYS.SMON_SCN_TIME 2、根据scn查询被删的数据 SELECT * FROM TABLE AS OF SCN 23489216 ORDER BY id DESC; 3、根据时间查询被删除的数据 SELECT * FROM TABLE AS OF TIMESTAMP TO_TIMESTAMP('2017-11-08 9:00:00', 'yyyy-mm-dd hh24:mi:ss') ORDER BY ID DESC; 4、将被删的数据插入原来的表 INSERT INTO TABLE SELECT * FROM TABLE AS OF TIMESTAMP TO_TIMESTAMP('2017-11-08 9:00:00', 'yyyy-mm-dd hh24:mi:ss') WHERE ID = 673722251850302;
--查一分钟前的数据 SELECT * FROM scott.emp AS OF TIMESTAMP SYSDATE-1/1440;