The logical view should support the implementation of database designs sketched out in an ERD diagram. Client applications don't need to see every table in an enterprise database. Instead, to simplify ...

I can't find the free ERD tool that I used years ago when I was dabbling in database stuff. It wasn't great but it was enough for my needs. Probably would be too simple for any real use though.

A table in a database holds the attributes for one ... to show the attributes of each entity as part of an entity relationship diagram. There are two ways to do this: In these examples the words ...

Data modeling is the process of defining datapoints and struc­tures at a detailed or abstract level to communicate information about the data shape, content, and relationships to target audiences.

Occasionally one sees an entity-relationship diagram (ERD) having an unusual characteristic ... The first reason is the fault of our DBMS tools. Most DBMS’ have spotty support for the concept of ...

Introduce the concepts about relational models. Train students on how to convert a conceptual entity relationship model to a relational model. Introduce students with the reasons and process of ...