42+ Eer Diagram Vs Er Gif. Entity relationship (er) diagrams are drawn when designing a database system, after the systems specification, an er diagram is drawn showing the conceptual design of the database, this diagram. There are additional features in eer than the original er diagram.
database - Difference between ER diagram and EER diagram ... from i.stack.imgur.com In the following diagram we have two entities student and college and their relationship. Er is basic principle, eer is little bit better tool for actual work with less abstraction. Er diagrams are most often used to design or debug relational databases in the fields of software engineering, business information systems.
So you want to learn entity relationship diagrams?
There are five main components of an erd er diagram uses. In eer schema the resulting schema diagrams are called eer diagrams. Extended er diagram is a variant of er diagram. An er diagram is a means of visualizing how the information a system produces is related.
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