*and* a not null constraint, or else you can get:
SQL> create table x ( p number, q number default 9);
Table created.
SQL> insert into x (p) values (1);
1 row created.
SQL> insert into x (p,q) values (2,null);
1 row created.
SQL> select * from x;
P Q
---------- ----------
1 9
2
hth
connor
- Rachel_Carmichael_at_Sonymusic.com wrote: >
>
> a default value.
>
>
>
>
> |--------+------------------------->
> | | |
> | | |
> | | andreyb_at_elronte|
> | | lesoft.com |
> | | |
> | | 05/13/2002 |
> | | 12:23 PM |
> | | Please respond |
> | | to ORACLE-L |
> | | |
> |--------+------------------------->
>
>
>----------------------------------------------------|
> |
> |
> | To: ORACLE-L_at_fatcity.com
> |
> | cc: (bcc: Rachel Carmichael)
> |
> | Subject: A trigger vs. "default value"
> in|
> | a table
> |
>
>
>----------------------------------------------------|
>
>
>
>
> Dear list !
> I need a very simple thing : each time a certain
> field is null during an
> insert, to substitiute a string "AAA" instead.
> What is better : to write a trigger to do so or to
> define a default value
> for that column in the table ?
> Thanks !
>
>
> DBAndrey
>
> * 03-9254520
> * 058-548133
> * mailto:andreyb_at_elrontelesoft.com
>
>
>
>
> --
> Please see the official ORACLE-L FAQ:
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> --
> Author: Andrey Bronfin
> INET: andreyb_at_elrontelesoft.com
>
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>
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Received on Tue May 14 2002 - 04:28:19 CDT
