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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 ...
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 ...
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 ...