SQL JOINS
Quiz
•
Computers
•
University
•
Hard
Leandro Pajaro
Used 81+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Seleccione sentencia para listar todos los registros en los cuales num_books_read es mayor a 185
SELECT * from family_members WHERE num_books_read > 185
SELECT * family_members WHERE num_books_read > 185
SELECT * from family_members WHERE num_books_read = 185
SELECT * from family_members WHERE num_books_read >= 185
2.
FILL IN THE BLANK QUESTION
2 mins • 5 pts
Complete la sentencia para agregar FK iddepartamento a la tabla usuarios: ALTER TABLE usuarios ___ usuarios_fk ___ REFERENCES departamentos(id)
3.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Seleccione sentencia para listar todos los perros con menos de 50 cm
select * from friends_of_pickles where species='dog' and height_cm > 45
select * from friends_of_pickles where species='dog' and height_cm < 45
select * from friends_of_pickles where height_cm < 45
select * from friends_of_pickles species='dog' and height_cm < 45
4.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Seleccione sentencia para listar el promedio de estatura por género
select gender, avg(height_cm) promedio from friends_of_pickles group by height_cm
select gender, sum(height_cm) promedio from friends_of_pickles group by gender
select gender, avg(height_cm) promedio from friends_of_pickles group by gender
select height_cm, avg(height_cm) promedio from friends_of_pickles group by gender
5.
MULTIPLE CHOICE QUESTION
2 mins • 5 pts
Seleccione sentencia para listos los registros que sean perros o que la estatura sea inferior a 45
SELECT * FROM friends_of_pickles WHERE height_cm <45
SELECT * FROM friends_of_pickles WHERE height_cm >45 OR species = 'dog'
SELECT * FROM friends_of_pickles WHERE height_cm <45 AND species = 'dog'
SELECT * FROM friends_of_pickles WHERE height_cm <45 OR species = 'dog'
6.
FILL IN THE BLANK QUESTION
2 mins • 5 pts
Complete la senencia para listar la cantidad de perror que hay en la tabla:
select ___ ___ friends_of_pickles where species ___
7.
FILL IN THE BLANK QUESTION
2 mins • 5 pts
Complete la sentencia para listar la máxima y mínima estatura: SELECT ___ ___ FROM friends_of_pickles
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