Un modelo de base de datos: es un conjunto de ideas lógicas utilizadas para representar la estructura de una base de datos.
base de datos/ modelo relacional
1st - 12th Grade
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base de datos/ modelo relacional
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11 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
VERDADERO
FALSO
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
según el video visto en clase el modelo entidad-relación fue creado en los 90
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3.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
las entidades pueden ser concretas o abstractas
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4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Las entidades se representan con un rectángulo
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5.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
los atributos se representan con un rombo
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6.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Las Relaciones nos indica cómo es la relación entre las entidades
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7.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
una relación uno a uno es cuando una entidad se relaciona con varias entidades.
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