Alfredo Novoa wrote:
> On Thu, 17 Feb 2005 22:02:43 GMT, Jan Hidders
> <jan.hidders_at_REMOVETHIS.pandora.be> wrote:
>
>
>>Def. [Tuple] A *tuple* is a partial function that maps column names to
>>domain values and is defined for a finite set of column names which is
>>called its *header*.
>
> In which way is "columnar" a tuple "column"?
You mean, why did I say "column name" and not just "field name"? Because
the field names in these tuples must be valid column names.
Received on Fri Feb 18 2005 - 15:33:50 CST
