Higher; Design Relationships and entity relationship diagrams. Designing queries and establishing a data dictionary are important and attributes and relationships should be clearly defined. Part ...

The data modeling course entails all the important points related to conceptual, logical, and physical approaches. You will learn to draw Entity-Relationship Diagrams (ERDs) and the normalization ...

Occasionally one sees an entity-relationship diagram (ERD) having an unusual characteristic. The unusual element is an entity (or more than one) that seems to have a relationship with every other ...

I have always used Visio to build database schemas. However, with the latest version of Visio, I think Microsoft has really dropped the ball -- the cardinalities are microscopic and nearly ...

Clean entity-relationship diagrams are available. As far as the graphic interface goes, its main (if not only) drawback is that it’s so packed of stuff that it’s easy to miss or overlook ...

National 5; Design Relationships and entity relationship diagrams. Designing queries and establishing a data dictionary are important. Decisions should be informed by the Data Protection Act ...