Re: Problem: Like-Statement and NULL-Fields

Volker Schmid wrote:

> Hi,
>
> I try to get a recordset with the following statement:
>
> SELECT * FROM Users WHERE Flags NOT LIKE 'D%';
>
> The Problem ist, that I don't get a row if the Flags-column in this row is
> NULL. Even if I set the Flags-value of a row to '' (double ') Oracle turn's
> this to NULL. If I define the Flags-column with NOT NULL I always have to
> set this value. Trying to set a Default-Value failed.
>
> I can't change the SELECT-Statement but I'm able to change the
> table-definition. How can I get rid of this problem?
>
> Thank you,
>
> Volker

Based on what you can't do ... here's what you possibly can do.

ALTER TABLE users
MODIFY (flags DEFAULT somedefaultvalue);

UPDATE users
SET flags = somedefaultvalue
WHERE flags IS NULL;

Daniel Morgan Received on Tue Oct 22 2002 - 10:56:52 CDT