Raízen - Data Analytics - Bases de datos
Quiz
•
Computers
•
1st - 3rd Grade
•
Medium
RockingData Academy
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FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las tablas de hechos...
Indican cómo se quieren medir los datos.
Contienen lo que se quiere medir o analizar.
Tienen toda la información necesaria.
Todas son correctas.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las claves primarias hacen que un registro sea unívoco.
Verdadero.
Falso.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuando las tablas de dimensiones se relacionan con una tabla de hechos y, a su vez, con otras tablas de dimensiones, el modelo se llama…
Modelo Estrella.
Modelo Desnormalizado.
Modelo Copo de Nieve.
Modelo Espiral.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La normalización...
Organiza los datos.
Incluye la creación de tablas y sus relaciones.
Evita la redundancia de datos.
Todas son correctas.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de procesamiento almacena todo tipo de dato y también datos sin procesar?
ETL.
ELT.
Ambos.
Ninguno.
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