Lenguaje de Definición de Datos

Quiz
•
Computers
•
University
•
Medium
Elvia Rodríguez Nieto
Used 46+ times
FREE Resource
18 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Las restricciones de columnas son utilizadas para:
Hacer cumplir las reglas de negocio
Implementar la integridad en la información a nivel de tabla
Todas las opciones
Niguna opción
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Una restricción PRIMARY KEY es:
Campo o conjunto de campos que identifican de manera única a un registro.
Campo que permite valores nulos
Campo que tiene un indice
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