Re: Trigger syntax

David Vodnansky wrote:
>
> Hi all,
>
> I have problems with trigger syntax in Oracle (I usually use Interbase).
> Simple example :
>
> create table adresy (id number(3,0),text varchar2(25));
> create sequence gen_adresaid ......;
>
> CREATE TRIGGER gen_adr_id
> BEFORE INSERT ON ADRESY
> FOR EACH ROW
> BEGIN
> new.id:=gen_adresaid.nextval; <--- this line is wrong, why ?
> end;

You can not assign a value from a sequence to a variable in PL/SQL, you must use:

     SELECT gen_adresaid.nextval INTO my_variable FROM dual;
     new.id := my_variable.

Regards, Jure

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 ! Jurij Modic                            Republic of Slovenia !
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