Re: Another attempt...

On 27/03/2008, Andrew Newman <andrewfnewman@gmail.com> wrote:
> On 26/03/2008, Arjohn Kampman <arjohn.kampman@aduna-software.com> wrote:
>  It's hard to draw them but here it is in full:
>  A normal tuple: {{SNO, SNAME}, {{SNO=1, SNAME="Fred"}, {SNO=2, SNAME="Bill"}}}
>  Table DUM: {{}, {}}
>  Table DEE: {{}, {0}}
>

Just to continue the analogue is SPARQL to compare it with relations
without attributes.

SPARQL binding: ({?sno=1, ?sname="Fred"}, {?sno=2, ?sname="Bill})
Relation: {{SNO=1, SNAME="Fred"}, {SNO=2, SNAME="Bill"}}
SPARQL no bindings: ()
TABLE_DUM: {{}}
SPARQL empty bindings: ({})
TABLE_DEE: {{0}}

Received on Thursday, 27 March 2008 00:51:39 UTC