EXAMEN BASE DE DATOS II
Quiz
•
Computers
•
12th Grade
•
Hard
Startem Oficial
Used 1+ times
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66 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes sentencias permite insertar un registro en la tabla de estudiantes?
ADD INTO estudiante (CodEstudiante, Nombre, Correo) VALUES (1, 'Juan', 'juan@gmail.com')
INSERT estudiante (CodEstudiante, Nombre, Correo) VALUES (1, 'Juan', 'juan@gmail.com')
INSERT INTO estudiante (CodEstudiante, Nombre, Correo) VALUES (1, 'Juan', 'juan@gmail.com')
INCLUDE INTO estudiante (CodEstudiante, Nombre, Correo) VALUES (1, 'Juan', 'juan@gmail.com')
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el resultado de la consulta SELECT * FROM docente?
Devuelve todos los nombres y correos de los docentes
Devuelve todos los registros de la tabla docente
Devuelve solo los registros de docentes con profesión 'Ing. Sistemas'
Devuelve solo los nombres de los docentes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué operador se utiliza para obtener solo registros que cumplen una condición específica?
HAVING
WHERE
LIKE
BETWEEN
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes consultas devuelve los nombres y profesiones de los docentes en la base de datos?
SELECT Nombre, Profesion FROM docente
SELECT * FROM docente
SELECT Profesion FROM docente WHERE Nombre
SELECT Nombre, Profesion FROM estudiante
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se seleccionan todos los estudiantes mayores de 20 años en la carrera de 'Ing. Sistemas'?
SELECT * FROM estudiante WHERE Edad > 20 AND Carrera = 'Ing. Sistemas'
SELECT * FROM estudiante WHERE Edad > 20 OR Carrera = 'Ing. Sistemas'
SELECT Edad, Carrera FROM estudiante WHERE Carrera = 'Ing. Sistemas'
SELECT Nombre FROM estudiante WHERE Edad > 20
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el objetivo de la sentencia UPDATE en SQL?
Insertar nuevos datos en la tabla
Eliminar registros de la tabla
Actualizar los datos existentes en una tabla
Seleccionar datos de la tabla
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes consultas actualizará el celular de un estudiante con CodEstudiante=1?
MODIFY estudiante SET celular= 738456123 WHERE codEstudiante=1
UPDATE estudiante SET celular= 738456123 WHERE codEstudiante=1
CHANGE estudiante SET celular= 738456123 WHERE codEstudiante=1
ALTER estudiante SET celular= 738456123 WHERE codEstudiante=1
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