Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> c.d.o.tools -> Re: '' IS NULL?

Re: '' IS NULL?

From: R. Dickhout <Reinier_Dickhout_at_hetnet.nl>
Date: Mon, 11 Dec 2000 08:17:57 +0100
Message-ID: <e$yofK0YAHA.324@net025s>

> >The options are:
> >' ' a space
> >'' a zero-length string
> >(nothing) NULL
> >
>
> ->SELECT * FROM Dual WHERE '' IS NULL;
>
> D
> -
> X
>
> It would seem that they are the same thing.
>
> Brian.

They ARE the same thing. Oracle explicitly states that '' is NULL.

Reinier. Received on Mon Dec 11 2000 - 01:17:57 CST

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US