Bases de Datos: Repaso 2
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Bases de Datos: Repaso 2
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Computers
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University
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JESUS AURELIO CASTRO
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53 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Esta es una cardinalidad de tipo:
Uno a muchos
Uno a uno
Muchos a muchos
Muchos a uno
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si yo quiero almacenar una propiedad de texto variable menor a 255 caracteres, que tipo de dato seria?
varchar
text
char
string
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seleciona la mejor representación visual del modelo: Jerárquico
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En el diagrama ¿Cuál es la entidad?
Id_cliente
Cliente
Nombre
Edad
Género
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Las columnas de cada tabla se asocian a
atributos
índices
llaves
triggers
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Esta unidad es una representación dentro de la base de datos de un objeto, persona, empresa... etc, del mundo real
ENTIDAD
ATRIBUTO
RELACION
CARDINALIDAD
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Definen o identifican las características.
ENTIDAD
ATRIBUTO
RELACION
CARDINALIDAD
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