rosy_p_c
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Examen 2do. parcial

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rosy_p_c
Created by rosy_p_c over 8 years ago
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Diseñar Base de datos

Question 1 of 10

1

Edgar Frank Codd, definió las bases del modelo relacional,

Select one of the following:

  • True
  • False

Explanation

Question 2 of 10

1

Join une tablas

Select one of the following:

  • True
  • False

Explanation

Question 3 of 10

1

Una tupla es cada fila de la tabla

Select one of the following:

  • True
  • False

Explanation

Question 4 of 10

1

Drop borra un registro

Select one of the following:

  • True
  • False

Explanation

Question 5 of 10

1

Delete borra una tabla

Select one of the following:

  • True
  • False

Explanation

Question 6 of 10

1

Insert into inserta registros

Select one of the following:

  • True
  • False

Explanation

Question 7 of 10

1

Las reglas de integridad deben almacenarse en la Independencia de integridad

Select one of the following:

  • True
  • False

Explanation

Question 8 of 10

1

El comando truncate muestra bases de datos

Select one of the following:

  • True
  • False

Explanation

Question 9 of 10

1

Es la llave primaria la que se escoge como identificador de las tuplas

Select one of the following:

  • True
  • False

Explanation

Question 10 of 10

1

Existen 3 formas normales

Select one of the following:

  • True
  • False

Explanation

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