
SQL - Bases de datos (Reto 5)
Authored by IVAN RUIZ
Computers
11th Grade
Used 4+ times

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10 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
¿Qué puede hacer SQL?
SQL puede ejecutar consultas en una base de datos.
SQL puede crear nuevas tablas en una base de datos.
SQL puede insertar registros en una base de datos.
SQL puede insertar relaciones en una base de datos.
2.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Son ejemplos de Administradores de Bases de datos (DBMS)
Oracle
C++
MySQL
PHYTON
3.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
De la siguiente lista, seleccione las opciones verdaderas que caracterizan a una base de datos
Dificultad para el respaldo y recuperacion
Consultas complejas optimizadas
Acceso concurrente por parte de múltiples usuarios
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Este tipo de datos se aplica para los campos que pueden ingresar solo texto
Bit
Integer
String
Date
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Cardinalidad es el numero de entidades con la cual otra entidad puede asociar mediante una relacion binaria; la cardinalidad puede ser: Uno a uno, uno a muchos o muchos a uno y muchos a muchos
Verdadero
Falso
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Un campo clave es un dato que define de manera distinta cada registro de una tabla
Verdadero
Falso
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Esta instrucción se utiliza para crear una nueva base de datos SQL
DATABASE NEW
CREATE DATABASE
CREATE DATA SQL
SQL CREATE DATABASE
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