Logical data models detail how entities in the conceptual model map to tables, fields, indexes and relationships within a relational database. For example, a relational table may represent an ...

Yes, a data model must include the visual representation of ;the data (such as an entity/relationship diagram), but it also must be backed up by metadata. A model without metadata might as well be ...

You can add logical data to diagrams to customize models. You can synchronize a model with an existing database using model merge features and ALTER script generation. Other features include ...

Physical data model: This layer defines how the logical model will be applied to the actual data set. Using this layer, IT teams create the real database structure, as well as the hardware and ...