
Conceptos de BD
Authored by Christian Henao
Computers
University
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13 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál opción es la menos indicada para ser una clave primaria?
Celular
Cédula
Nombre Completo
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué significa FK?
Clave secundaria
Clave primaria
Clave foránea
Ninguna
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Se puede considerar como tabla si contiene sólo una columna?
Sí
No
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Se requieren registros para crear una tabla?
Si
No
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Cuál no es un elemento de ACID?
Integridad
Consistencia
Atomicidad
Persistencia
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿En la tabla de Verdad del OR (o), el resultado siempre es verdadero?
Si
No
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Es lo mismo un dato desconocido que un NULL?
Si
No
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