Select * from PSHR_DTB_SAL_TX(表名) as of timestamp( systimestamp - interval '36000' second );//恢复36000秒前的数据
SELECT * FROM PSHR_DTB_SAL_TX(表名) AS OF TIMESTAMP
TO_TIMESTAMP('2017-03-28 11:10:17', 'YYYY-MM-DD HH:MI:SS') ; //查询前面的数据记录条数
exp 账号/密码@10.75.0.43:1521/zyytdc file=D:back/zyytdc/T_10.75.0.43zyytdc_dump_ex.dmp grants=y log=D:dbbackzyytdccwbase1_9999_exp.log//备份数据库
create table 表名_tmp后缀 as select * from 表名 //备份数据库表