
Clase 05-05-2025
Quiz
•
Other
•
Professional Development
•
Easy

DAPHNE YASMIN ORIHUELA ARANGUREN
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál de las siguientes sentencias DDL se utiliza para crear una nueva tabla en SQL?
ALTER TABLE
CREATE TABLE
INSERT INTO
SELECT FROM
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué sentencia DDL permite modificar la estructura de una tabla existente?
MODIFY TABLE
UPDATE TABLE
ALTER TABLE
CHANGE TABLE
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es el comando DDL para eliminar una tabla completamente de la base de datos?
DELETE TABLE
REMOVE TABLE
DROP TABLE
TRUNCATE TABLE
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué tipo de JOIN devuelve registros cuando hay al menos una coincidencia en ambas tablas?
FULL JOIN
LEFT JOIN
RIGHT JOIN
INNER JOIN
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué tipo de JOIN devuelve todos los registros de la tabla izquierda y los registros coincidentes de la tabla derecha?
LEFT JOIN
RIGHT JOIN
INNER JOIN
CROSS JOIN
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Si se realiza un INNER JOIN entre dos tablas que no tienen valores coincidentes, ¿qué resultado se obtiene?
Todos los registros de la tabla izquierda
Todos los registros de la tabla derecha
Un conjunto de resultados vacío
Error de sintaxis
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué cláusula se utiliza para especificar la condición de unión en un JOIN?
WHERE
HAVING
ON
BY
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