Re: auto-increment field : in a simple way

On Thu, Oct 11, 2012 at 12:56 PM, Scott Marlowe <scott(dot)marlowe(at)gmail(dot)com>wrote:

>
> Can't you just add this to your create table:
>
>
> CREATE TABLE tablename (
> colname SERIAL
> , check (colname>0 and colname < 32768));
> );
>
>
>
With this constraint, whether the storage space requirement would reduce?
OR
Is it just for validation of data?

--- Vineet