Structural versus behavioral encapsulation
\comment{See [Ki89].}
\sly{cats}{
O{\rm bject} O{\rm riented} D{\rm atabases}
- \footnotesizeIt is exciting to see religious fervor grip ones subdiscipline !
Semantic modelling: {\it constructing types by aggregation, grouping, relationships,
attributes}.
& semantic model & object oriented \\ \hline
abstraction & structural & behavioral \\
inheritance & subtypes & subclasses \\ \hline
\end{tabular}
- {\it Clearly, the trend is for database researchers to view object
oriented models as having both structural and behavioral encapsulation facilities}.
}