Re: How to find persons who like red fruits or crunchy veggies?

Neo wrote:
> The following dbd query finds persons who like either red fruits or
> crunchy veggies:
>
> (and (select person instance *)
>        (select * like (or (and (select fruit instance *)
>                                       (select * color red))
>                                (and (select veggie instance *)
>                                       (select * texture crunchy))
>                           )
>        )
> )
>
> What RMDB schema and SQL query will find the equivalent? Should I start
> with T_Person, T_Fruit, T_Veggie, T_PLikeF, T_PLikeV ?
For what dbd schema did you isuued this query? Would you show me exact
definition of dbd schema?