If you keep your extended model information outside the actual grid's model, the row you modified in the grid model may not be the row you think it is in your data outside the grid.

This Business Object Model (BOM) is extended within RSA/M with additional data requirements and business rules, resulting in a complete analysis model of the service candidates.

NHMDB is a multimedia database system based on the extended relational data model and has the characteristics of object-oriented databases.