Structured entity relationship model: Difference between revisions

Revision as of 22:22, 9 October 2006

Revision as of 22:36, 9 October 2006

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The '''SERM''' (Structured Entity Relationship Model) is an amplification of the [[Entity-relationship model|ERM]] which is commonly used for [[Data modeling|data modeling]]. It was first proposed from Prof. Dr. Sinz in 1989. The SERM is commonly used in the [[SAP AG|SAP]]-world for the [[Data modeling|data modeling]].

== Aims ==

# structuring of large schemes

# visualization of existence dependency

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# avoidance of unnecessary relationshiptypes

== SERM-Symbols ==

[[Image:SERM-Symbols.JPG|600px|]]

==SERM-Example==