Relationships and entity relationship diagrams A table in a database holds the attributes for one entity only. Data can then be added in the form of records.

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 ...

The specification of SBGN entity relationship diagram level 1 defines three major classes of glyphs: entity nodes, statements and influences (logical operators are entity nodes).

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 ...

Relationships and entity relationship diagrams A table in a database holds the attributes for one entity only. Data can then be added in the form of records.