Repaso de Bases de Datos

Flashcard
•
Computers
•
University
•
Hard
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19 questions
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1.
FLASHCARD QUESTION
Front
Esta es una cardinalidad de tipo: Uno a muchos, Uno a uno, Muchos a muchos, Muchos a uno
Back
Muchos a muchos
2.
FLASHCARD QUESTION
Front
Si yo quiero almacenar una propiedad de texto variable menor a 255 caracteres, que tipo de dato seria?
Back
varchar
3.
FLASHCARD QUESTION
Front
Las llave primarias permiten valores nulos
Back
FALSO
4.
FLASHCARD QUESTION
Front
En el diagrama ¿Cuál es la entidad? Options: Id_cliente, Cliente, Nombre, Edad, Género
Back
Cliente
5.
FLASHCARD QUESTION
Front
Las columnas de cada tabla se asocian a
Back
atributos
6.
FLASHCARD QUESTION
Front
Esta unidad es una representación dentro de la base de datos de un objeto, persona, empresa... etc, del mundo real
Back
ENTIDAD
7.
FLASHCARD QUESTION
Front
Definen o identifican las características.
Opciones: ENTIDAD, ATRIBUTO, RELACION, CARDINALIDAD
Back
ATRIBUTO
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