Mapping a logical data model to a physical data model involves translating abstract entities, attributes, and relationships into database-specific structures.

A logical data model is a representation of the data structures, relationships, constraints, and meanings of a database at a conceptual level. It is independent of any specific technology ...

Analysis Phase – Develop a Logical Data Model. This step is obviously the crucial starting point. There is no substitute for business knowledge. Any team that does not know the business has no ...

Deliverable A. Basic Conceptual Data Modeling: In the basic conceptual data modeling task, I create an entity-relationship diagram using two entities: CLASSROOM and COURSE. Each entity has its ...

Of all the issues surrounding the logical-physical divide, perhaps none is as critical (or as misunderstood) as the subject of normalization. I’ve alluded to this in previous articles, mentioning, for ...

Physical: Design a model for implementing the logical model that considers the RDBMS to be used. During this phase, you’ll describe tables, indexes, and so on.

Data virtualization tools certainly create and use it, but its scope goes far beyond the physical metadata needed to find and access diverse data sources. It must also carry the business meaning of ...

Teradata Corp. has introduced the Utilities Logical Data Model (uLDM). As a utility's business needs evolve, the Teradata uLDM helps customer adapt their data warehouse physical model to ensure the ...

The first step in transforming a logical data model into a physical model is to perform a simple translation from logical terms to physical objects. Of course, this simple transformation will not ...