
Introducción al SQL: Sublenguajes
Quiz
•
Information Technology (IT)
•
Professional Development
•
Practice Problem
•
Hard
Yraly Mora
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué sublenguaje de SQL se utiliza para definir la estructura de la base de datos?
Data Definition Language (DDL)
Data Manipulation Language (DML)
Data Control Language (DCL)
Transaction Control Language (TCL)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A) DML B) DDL C) DCL D) TCL
E) SQL
F) PL/SQL
G) XML
A) DML
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes comandos pertenece al DDL?
DELETE
SELECT
UPDATE
CREATE
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A) SELECT B) INSERT C) CREATE D) UPDATE
A) SELECT
DELETE
TRUNCATE
ALTER
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué sublenguaje de SQL permite manipular los datos dentro de las tablas?
DML (Data Manipulation Language)
TCL (Transaction Control Language)
DCL (Data Control Language)
DDL (Data Definition Language)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A) DDL B) DML C) DCL D) TCL
A) DDL
C) DCL
B) DML
D) TCL
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el propósito del DCL en SQL?
Realizar copias de seguridad de la base de datos.
Optimizar el rendimiento de las consultas.
Controlar el acceso a los datos en la base de datos.
Definir la estructura de las tablas en la base de datos.
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