Modelo entidad relación URGENTE!

Hola.. Necesito saber donde puedo encontrar artículos(expertos hablando sbre el tema, un punto de vista) acerca del modelo entidad relación(base de datos).. Por favor responde, tengo un examen y puedo reprobar el curso...

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Respuesta
Diagrama entidad-relación:
Hay muy poco de esto en Internet. En http://www.techscribe.co.uk/bncod/parserdd.htm encontrarás dos gráficos de ejemplo.
En http://ww2.cis.temple.edu/cis308/Lectures/Unit%204/databasedesign/..%5CDatabaseDesign/ERD.htm te enseñan como construir un diagrama entidad-relación

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