
Preguntas de SQL - BASE DE DATOS II

Quiz
•
Computers
•
6th Grade
•
Medium
Startem Oficial
Used 1+ times
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41 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué comando se utiliza para insertar datos en una tabla SQL?
SELECT
INSERT INTO
DELETE
UPDATE
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se llama la cláusula que filtra los resultados de una consulta SQL?
JOIN
WHERE
GROUP BY
HAVING
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la función de AUTO_INCREMENT en una columna de SQL?
Permite incrementar automáticamente el valor de la columna
Hace que el valor sea único
Elimina los registros duplicados
Filtra los registros
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué significa * en una consulta SQL?
Seleccionar todas las columnas
Seleccionar una columna específica
Eliminar una columna
Crear una nueva columna
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la sintaxis correcta para insertar un nuevo registro en la tabla estudiante?
INSERT INTO estudiante (Nombre, Correo) VALUES (‘Juan’, ‘j@correo.com’);
INSERT INTO estudiante (Nombre, Correo) SET (‘Juan’, ‘j@correo.com’);
INSERT INTO estudiante (Nombre, Correo) VALUES (‘Juan’, ‘j@correo.com’);
INSERT estudiante (Nombre, Correo) VALUES (‘Juan’, ‘j@correo.com’);
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes consultas obtiene todos los registros de la tabla docente?
SELECT * FROM estudiante;
SELECT * FROM docente;
SELECT Nombre FROM estudiante;
SELECT Nombre FROM docente WHERE Nombre=‘Juan’;
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué comando se utiliza para actualizar registros en SQL?
DELETE
UPDATE
SELECT
INSERT INTO
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