Re: [SQL] NOT NULL and postgres 6.5.2

Stephan Bauer wrote:
>Hello all,
>
>I have an table like this:
>
>CREATE TABLE anzeigen (
>...
>
> name varchar(30) NOT NULL,
>...
>);
>
>The following statement _will_ be inserted:
>
>INSERT INTO anzeigen ( ... name ...)
>VALUES ( ..., '', ...);
>
>What is my problem?

An empty string is not the same as null. It is a real value whereas null
is an unknown/undefined/irrelevant value.

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