
Banco de Preguntas SQL Básico
Quiz
•
Information Technology (IT)
•
11th Grade
•
Practice Problem
•
Hard
Diorys Michael
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué significa SQL?
System Query Language
Structured Query Language
Standard Quality Language
Software Query Logic
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la unidad principal de almacenamiento en una base de datos relacional?
Fila
Columna
Tabla
Consulta
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se llama la fila de una tabla?
Campo
Registro
Clave
Consulta
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una clave primaria (PRIMARY KEY) se caracteriza por:
Aceptar valores duplicados
Identificar de manera única cada registro
Permitir valores nulos
Ser opcional en toda tabla
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué es una clave foránea (FOREIGN KEY)?
Un campo que se repite en varias tablas
Un campo que relaciona una tabla con otra
Un campo de tipo texto
Un identificador duplicado
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué instrucción SQL se utiliza para crear una base de datos?
MAKE DATABASE
NEW DATABASE
CREATE DATABASE
ADD DATABASE
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál instrucción crea una nueva tabla?
CREATE TABLE
MAKE TABLE
INSERT TABLE
NEW TABLE
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