
Mysql
Authored by YENNIFER SANCHEZ
Engineering
Professional Development
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué sentencia se utiliza para crear una tabla en MySQL?
CREATE TABLES
CREATE TABLE
CREATES TABLES
Ninguna de las anteriores
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de dato se usa para almacenar texto en MySQL?
INT
VARCHAR
FLOAT
BOOLEAN
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué hace la sentencia DROP TABLE?
Elimina todos los datos de la tabla
Elimina solo los índices de la tabla
Elimina la tabla y sus datos
Elimina una fila específica de la tabla
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué instrucción se usa para modificar la estructura de una tabla existente?
CHANGE TABLE
ALTER TABLE
UPDATE TABLE
MODIFY TABLE
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué palabra clave se usa para asegurar que una columna no acepte valores nulos?
NULL
NOT NULL
UNIQUE
INDEX
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué sentencia se utiliza para cambiar el nombre de una tabla?
RENAME TO
RENAME TABLE antigua TO nueva
ALTER RENAME
MODIFY TABLE
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué sentencia se usa para modificar datos existentes en una tabla?
ALTER
SET
MODIFY
UPDATE
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