Re: Primary Key and and Index

Hi Pete,

I am only 99% certain -- but someone will correct me if I am wrong :-)

A unique index can contain null values in the index column.

A primary key cannot be null.

Regards

Jerry

Pete Cruz wrote:
>
> I just wanted to know the difference between a Primary key and a
> unique indexed column.
>
> Thanks

--
Jerry Gitomer Since I know how to spell DBA I became one. jgitomer_at_p3.net Received on Thu Apr 09 1998 - 22:09:37 CDT