Segundo Parcial Quinto Bachillerato en Informática
Quiz
•
Computers
•
10th Grade
•
Practice Problem
•
Medium
VICTOR SALOJ
Used 4+ times
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué significa DBMS?
Database Management Solution
Data Basic Manipulation System
Database Management System
Data Backup Management System
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué lenguaje se utiliza comúnmente para consultar bases de datos relacionales?
HTML
CSS
SQL
XML
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el propósito principal de una clave primaria en una tabla de base de datos?
Permitir la eliminación de registros duplicados
Asegurar la unicidad de cada registro
Mejorar la velocidad de las consultas
Facilitar las operaciones de copia de seguridad
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué comando SQL se utiliza para agregar un nuevo registro a una tabla?
INSERT INTO
ADD RECORD
CREATE RECORD
NEW ENTRY
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el propósito de una clave foránea en una base de datos relacional?
Identificar de forma única cada registro
Enlazar tablas relacionadas
Acelerar las consultas
Almacenar datos no estructurados
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la función principal de un esquema en una base de datos?
Ejecutar consultas SQL
Definir la estructura de la base de datos
Almacenar copias de seguridad
Indexar datos
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una clave primaria en una tabla de base de datos asegura la unicidad de cada registro.
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