Question

oracle中怎么在view中加入时间戳字段

Answer 1

--insert records
insert into userlogin_his(usrname,logintime) values('test',to_timestamp(to_char(sysdate,'YYYY-MM-DD HH24:MI:SS'),'YYYY-MM-DD HH24:MI:SS'));
insert into userlogin_his(usrname,logintime) values('test1',to_timestamp(to_char(systimestamp,'YYYY-MM-DD HH24:MI:SS.FF'),'YYYY-MM-DD HH24:MI:SS.FF'));
insert into userlogin_his(usrname,logintime) values('test2',systimestamp);
insert into userlogin_his(usrname,logintime) values('test3',sysdate);