
Preguntas sobre DDL en Bases de Datos

Quiz
•
Computers
•
12th Grade
•
Hard
Karla Cruz
FREE Resource
15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
¿Qué significa DDL?
Data Description Language
Data Definition Language
Database Definition Language
Data Design Language
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué comando se usa para definir restricciones en una tabla, como claves primarias o foráneas?
DEFINE CONSTRAINT
ALTER TABLE ADD CONSTRAINT
CREATE CONSTRAINT
MODIFY CONSTRAINT
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Para cambiar la definición de una vista existente, se utiliza el comando:
ALTER VIEW
MODIFY VIEW
UPDATE VIEW
CHANGE VIEW
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
El comando "DROP INDEX" se utiliza para:
Eliminar una tabla
Eliminar un índice existente
Crear un nuevo índice
Modificar un índice
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Para cambiar el nombre de una tabla, se utiliza el comando:
RENAME TABLE
ALTER TABLE RENAME TO
MODIFY TABLE NAME
CHANGE TABLE NAME
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué comando se utiliza para eliminar una columna de una tabla?
ALTER TABLE DROP COLUMN
DELETE COLUMN
REMOVE COLUMN
DROP TABLE COLUMN
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Cuál es el propósito del comando "DROP VIEW"?
Eliminar una tabla
Crear una nueva vista
Eliminar una vista existente
Modificar una vista
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