EXAMEN PARCIAL TEÓRICO - BASE DE DATOS
University
•25 Qs
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EXAMEN PARCIAL TEÓRICO - BASE DE DATOS
Quiz
•
Computers
•
University
•
Practice Problem
•
Medium
Miguel Lopez
Used 7+ times
FREE Resource
Enhance your content in a minute
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué comando se utiliza para otorgar permisos en una tabla a un usuario en SQL?
ALLOW
AUTHORIZE
ROL
GRANT
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
ALTER TABLE Pedidos ADD CONSTRAINT fk_cliente FOREIGN KEY (ClienteID) REFERENCES Clientes(ID);
La siguiente sentencia anterior es:
CORRECTA
INCORRECTA
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
MODIFY COLUMN Apellido VARCHAR(50) IN Personas;
La sentencia anterior es:
CORRECTA
INCORRECTA
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
DELETE TABLE Clientes;
Está sentencia es?.....
CORRECTA
INCORRECTA
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué cláusula se utiliza para confirmar los cambios realizados en una transacción?
CONFIRM
APPLY
ROLLBACK
COMMIT
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Qué cláusula se usa para restringir los datos ingresados en un campo de una tabla?
ALLOW
CONTROL
RESTRICT
CHECK
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
¿Cuál es el comando para revocar permisos a un usuario ?
GRANT
DENY
REVOKE
DISALLOW
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