Oracle的时间戳格式查询如下:

SELECT VALUE FROM NLS_SESSION_PARAMETERS WHERE PARAMETER = 'NLS_TIMESTAMP_FORMAT'.

Oracle查询建表时间:

SELECT CREATED FROM USER_OBJECTS WHERE OBJECT_NAME='TABLENAME';

新建序列(到时候改一下名字就行了):

-- Create sequence

create sequence SEQ_HEALTH_AGEDNESS

minvalue 1

maxvalue 999999999999999999999999999

start with 21

increment by 1

cache 20;

如果误删了数据可以用下边的语句查询一下:

select * from table_name  AS OF TIMESTAMP to_timestamp('20170725 10:00:00','yyyymmdd hh24:mi:ss')

mark一下。