Base de Datos para Aplicaciones U1

Base de Datos para Aplicaciones U1

1st Grade

22 Qs

quiz-placeholder

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Base de Datos para Aplicaciones U1

Base de Datos para Aplicaciones U1

Assessment

Quiz

Computers

1st Grade

Hard

Created by

Ricardo Israel Roque Covarrubias

Used 3+ times

FREE Resource

22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Qué consulta regresa todos los departamentos en la tabla SALARIES?

SALARIES ( Professor_Name (TEXT), Department (TEXT), Salary (INT) )

SELECT ALL Department FROM Salary;

SELECT DISTINCT Department FROM SALARIES;

SELECT DISTINCT Professor_Name FROM *;

SELECT FROM Department

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Escriba una query que regrese el nombre y salario de el profesor con el salario más alto

SALARIES ( Professor_Name (TEXT), Department (TEXT), Salary (INT) )

SELECT Professor_Name, MAX(Salary) FROM Department;

SELECT Professor_Name, MAX(Salary) FROM SALARIES;

SELECT MIN(Salary),Professor_Name, FROM Department;

Ninguna de las anteriores

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Escriba un query que regrese todos los nombres de profesores que inicien con la letra "C"

SALARIES ( Professor_Name (TEXT), Department (TEXT), Salary (INT) )

SELECT Professor_Name FROM SALARIES WHERE Professor_Name LIKE 'C%';

SELECT Professor_Name FROM SALARIES FROM Professor_Name LIKE 'C';

SELECT Professor_Name FROM SALARIES WHERE Professor_Name LIKE Salary;

SELECT Professor_Name WHERE SALARIES FROM Professor_Name LIKE 'C%';

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Escriba una query que regrese el departamento con el salario promedio más alto junto con ese salario promedio.

SALARIES ( Professor_Name (TEXT), Department (TEXT), Salary (INT) )

SELECT Department, AVG(Salary) FROM SALARIES GROUP BY DEPARTMENT ORDER BY AVG(Salary);

SELECT Department, AVG(Salary) FROM SALARIES ORDER BY AVG(Salary) DESC LIMIT 1;

SELECT Department, AVG(Salary) FROM SALARIES GROUP BY AVG(Salary) DESC LIMIT 1;

SELECT Department, AVG(Salary) FROM SALARIES GROUP BY DEPARTMENT ORDER BY AVG(Salary) DESC LIMIT 1;

5.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

El operador IS _____ se utiliza para comprobar si un campo tiene valores vacíos.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Una sentencia SELECT sin la cláusula WHERE devuelve

Todos los registros existentes en la tabla que no estén relacionados con otra tabla

Todos los registros existentes en la tabla

No se puede ejecutar una sentencia SELECT sin la cláusula WHERE

Las anteriores respuestas no son correctas

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿En cuál de las siguientes sentencias del lenguaje SQL se emplea la cláusula SET?

delete

select

drop

update

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