Base de Datos - Parcial
Quiz
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Computers
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University
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Practice Problem
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Medium
JESUS AURELIO CASTRO
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39 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
De esta manera se denomina al conjunto de superclaves de una entidad
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un atributo (1), es aquel que no figura en la base de datos y se representa por una elipse con el borde (2).
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La restricción (1) indica que el valor para esa columna no podrá ser en ninguna circunstancia (2)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Este terminal de una relación en pata de gallo significa: Mínimo uno, máximo uno
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Es un conjunto de datos ordenados que están relacionados entre sí y almacenados sistemáticamente para su posterior uso
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Es una «cosa» u «objeto» en el mundo real que es distinguible de todos los demás objetos
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
De esta manera se representan los atributos calculados o derivados en un Modelo Entidad-Relación
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