表:MZDX
其中含日期字段udate现建立触发器,记录创建/修改时间
create or replace trigger mzdx_trigger
before insert or
update
on MZDX --目标表名
for each row
begin
:new.udate :=sysdate;
end;但更新则出现错误:MZDX_TRIGGER is invalid and failed re-validation新手不知错误在哪,请大家帮忙
其中含日期字段udate现建立触发器,记录创建/修改时间
create or replace trigger mzdx_trigger
before insert or
update
on MZDX --目标表名
for each row
begin
:new.udate :=sysdate;
end;但更新则出现错误:MZDX_TRIGGER is invalid and failed re-validation新手不知错误在哪,请大家帮忙
2 before insert or update on a001
3 for each row
4 begin
5 :new.udate := sysdate;
6 end;
7 /Trigger created.SQL> show error
No errors.
SQL> insert into a001(1,sysdate);
insert into a001(1,sysdate)
*
ERROR at line 1:
ORA-00928: missing SELECT keyword
SQL> insert into a001 values (1,sysdate);1 row created.SQL> commit;Commit complete.SQL> select * from a001; ID UDATE
---------- ------------
1 09-OCT-12SQL> alter session set nls_date_format='yyyy/mm/dd hh24:mi:ss';Session altered.SQL> select * from a001; ID UDATE
---------- -------------------
1 2012/10/09 22:49:39SQL> update a001 set id=2;1 row updated.SQL> commit;Commit complete.SQL> select * from a001; ID UDATE
---------- -------------------
2 2012/10/09 22:53:12SQL>