Hola Compañeros.....

Soy docente de Bases de Datos hace 20 años y siempre he teniod una inquietud....

Hay dos temas dentro de la asignatura que son el Modelo ENtidad Relacion y el Modelo Relacional......

Quiero saber sus opiniones y experiencias del orden en que se dictan estos dos temas......primero el modelado de datos y luego el modelo relacional o al reves?

Espero sus comentarios.

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Hola Jorge.
Yo enseño Bases de Datos desde hace 11 años, un poco menos que tú, te cuento que en mi programa yo primero enseño el Modelo de Entidad Relación y luego el Modelo Relacional, porqué? porque creo que primero deben conocer que datos son necesarios, sus relaciones, restricciones, etc. (modelo conceptual) para después pasar al modelo lógico y por último el físico.
Saludos cordiales
Gabriela

Muchas Gracias, Gabriela, por su opinión.....

Yo también estoy de acuerdo en lo que usted dice......de hecho, yo vengo enseñando bases de datos hace mucho tiempo y siempre explico primero el modelo entidad relacion y luego el modelo relacional.

Siempre explico a los estudiantes que el modelo entidad relación se asemeja a la fase de análisis de la ingeniería de software y el modelo relacional a la fase de diseño.

Mi inquietud nace de un comentario de un docente de otra universidad de mi ciudad (Medellín) que cuestiona que es mucho más logico primero enseñar el modelo relacional y luego el modelo entidad relacion......y no he podido entender el por qué de este asunto.....nunca le he visto lógica a eso......

Por eso quiero mirar opiniones de la comunidad académica.......si me puede usted ayudar a encontrar otras opiniones al respecto, se lo agradecería.

Jorge Iván Bedoya

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