Examen Final SQL 101

Examen Final SQL 101

Professional Development

10 Qs

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Examen Final SQL 101

Examen Final SQL 101

Assessment

Quiz

Professional Development

Professional Development

Practice Problem

Easy

Created by

e delgadillo

Used 5+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Por favor indica que Linea de Código proporciona todos los resultados posibles de una columna sin repetición y/o filas duplicadas

SELECT JUST()

SELECT UNIQUE()

SELECT ONLY()

SELECT DISTINCT()

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Comando utilizado para añadir una restricción y/o para filtrar filas

WHERE Columna = 'restricción'

GROUP BY Columna = 'restricción'

AND Columna = 'restricción'

FROM Columna = 'restricción'

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Selecciona la información de ciertas columnas ordenando los resultados de forma ascendente o descendente:

ORDER BY Columna ASC/DESC

GROUP BY Columna ASC/DESC

SELECT BY Columna ASC/DESC

ORDER FROM Columna ASC/DESC

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Indica cuál es el código correcto: "Proporciona todos los modelos de automóvil disponibles sin repetición" (Hint: usa la base de datos "bd_registro")

SELECT DISTINCT(Automovil)

FROM bd_registro

SELECT UNIQUE(Automovil)

FROM bd_registro

SELECT Automovil

FROM bd_registro

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Indica el código que proporciona el promedio GENERAL del precio observado. (HINT la respuesta contiene 1 dato)

SELECT AVG(Precio) AS promedio

FROM bd_registro

SELECT Automovil,AVG(Precio) AS promedio

FROM bd_registro

GROUP BY Automovil

SELECT Marca,AVG(Precio) AS promedio

FROM bd_registro

GROUP BY Marca

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Indica el código que proporciona el promedio del precio por Modelo de Automóvil. (HINT: la respuesta contiene varios datos)

SELECT AVG(Precio) AS promedio

FROM bd_registro

SELECT Automovil,AVG(Precio) AS promedio

FROM bd_registro

GROUP BY Automovil

SELECT Marca,AVG(Precio) AS promedio

FROM bd_registro

GROUP BY Marca

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Menciona TODAS las opciones que sean funciones de SQL .

MIN()

AVG()

NEXT()

BEFORE()

COUNT()

SUM()

ONE()

POINT()

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