java - Common mistakes in ER Modelling? -


i need practice er modelling exams, keep in mind there not gonna third party tool, have done manually on paper :( there recommendations avoid mistakes?

i'm sure have done searching on web. couple of pointers:

  • don't forget annotate cardinality (one many, etc).
  • if diagram goes showing attributes, don't forget show primary key , foreign keys.

stumbled across nice pdf article has lot more detail: http://www.cis.drexel.edu/faculty/song/courses/info%20605/appendix/appendixa.pdf


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