Re: position last and attributes

On Thu, Sep 20, 2012 at 2:55 PM, Michael Kay <mike@xxxxxxxxxxxx> wrote:
>>PS people that care about ordering still use relational databases.
>
> I think you mean that they use SQL databases. One of the major differences
> between a SQL database and a relational database is in its approach to
> ordering - in the relational model, columns are unordered but in SQL they
> are ordered. If we're going to discuss angels on pinheads, we need
> precision.
>
Agreed and a whole slew of issues derive from the fact that an SQL
database is not a faithful representation of the relational model.