Re: EAV (Re: Object-relational impedence)
Date: Sat, 29 Mar 2008 13:14:49 GMT
> It is interesting to see people reinventing the wheel (class). The set of
> "all possible widgets having attributes T, U, V" is a class.
The pattern of "generalization-specialization" predates both the relational data model and the object oriented paradigm. Neither one of them really derived that pattern from the other. There is undoubtedly a common intellectual ancestor, but you might have to go back centuries to find it. Received on Sat Mar 29 2008 - 14:14:49 CET