U2 DML
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
Angel Torres
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué sentencia DML se utiliza para añadir nuevos registros a una tabla?
UPDATE
INSERT INTO
SELECT
DELETE
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué comando se utiliza para actualizar datos en una tabla?
CHANGE
MODIFY
ALTER
UPDATE
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para seleccionar todos los registros de una tabla llamada "Clientes", ¿qué sentencia usarías?
SELECT * FROM Clientes
GET ALL FROM Clientes
DISPLAY * FROM Clientes
SHOW * Clientes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué comando elimina registros específicos de una tabla sin eliminar la tabla misma?
REMOVE
DROP
DELETE
TRUNCATE
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo puedes insertar valores en algunas columnas específicas, dejando otras con valores predeterminados o nulos?
INSERT INTO tabla (columna1, columna2) DEFAULT VALUES
INSERT INTO tabla (columna1, columna2) VALUES (valor1, valor2)
ADD INTO tabla (columna1, columna2) VALUES (valor1, valor2)
UPDATE tabla SET columna1 = valor1, columna2 = valor2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al actualizar datos en una tabla, si deseas cambiar el valor de la columna "Edad" a 30 donde el "Nombre" es igual a "Juan", ¿cuál sería la sentencia correcta?
UPDATE tabla SET Edad = 30 WHERE Nombre = 'Juan'
CHANGE tabla SET Edad = 30 WHERE Nombre = 'Juan'
MODIFY tabla WHERE Nombre = 'Juan' SET Edad = 30
REPLACE tabla SET Edad = 30 WHERE Nombre = 'Juan'
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
La función _______ se utiliza para calcular la suma total de una columna numérica.
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