Course Content
Introduction to SQL
Introduction to SQL
Challenge: Find Countries, IDs, Populations, Regions, and Sort Them
Task
Write an SQL query to get all id
, name
, and population
, region
columns from the country
table (please retrieve these columns in this order). Then, sort the results first by region
from Z to A and then by population
from lowest to highest.
Here's a short example of the country
table:
id | name | continent | region | surfacearea | capital | population |
1 | Japan | Asia | Eastern Asia | 377829 | Tokyo | 126714000 |
2 | Latvia | Europe | NULL | 64589 | Riga | 2424200 |
3 | Mexico | North America | Central America | 1958201 | Mexico City | 98881000 |
... | ... | ... | ... | ... | ... | ... |
15 | Malta | Europe | Southern Europe | 316 | Valletta | 380200 |
Thanks for your feedback!
Challenge: Find Countries, IDs, Populations, Regions, and Sort Them
Task
Write an SQL query to get all id
, name
, and population
, region
columns from the country
table (please retrieve these columns in this order). Then, sort the results first by region
from Z to A and then by population
from lowest to highest.
Here's a short example of the country
table:
id | name | continent | region | surfacearea | capital | population |
1 | Japan | Asia | Eastern Asia | 377829 | Tokyo | 126714000 |
2 | Latvia | Europe | NULL | 64589 | Riga | 2424200 |
3 | Mexico | North America | Central America | 1958201 | Mexico City | 98881000 |
... | ... | ... | ... | ... | ... | ... |
15 | Malta | Europe | Southern Europe | 316 | Valletta | 380200 |
Thanks for your feedback!
Challenge: Find Countries, IDs, Populations, Regions, and Sort Them
Task
Write an SQL query to get all id
, name
, and population
, region
columns from the country
table (please retrieve these columns in this order). Then, sort the results first by region
from Z to A and then by population
from lowest to highest.
Here's a short example of the country
table:
id | name | continent | region | surfacearea | capital | population |
1 | Japan | Asia | Eastern Asia | 377829 | Tokyo | 126714000 |
2 | Latvia | Europe | NULL | 64589 | Riga | 2424200 |
3 | Mexico | North America | Central America | 1958201 | Mexico City | 98881000 |
... | ... | ... | ... | ... | ... | ... |
15 | Malta | Europe | Southern Europe | 316 | Valletta | 380200 |
Thanks for your feedback!
Task
Write an SQL query to get all id
, name
, and population
, region
columns from the country
table (please retrieve these columns in this order). Then, sort the results first by region
from Z to A and then by population
from lowest to highest.
Here's a short example of the country
table:
id | name | continent | region | surfacearea | capital | population |
1 | Japan | Asia | Eastern Asia | 377829 | Tokyo | 126714000 |
2 | Latvia | Europe | NULL | 64589 | Riga | 2424200 |
3 | Mexico | North America | Central America | 1958201 | Mexico City | 98881000 |
... | ... | ... | ... | ... | ... | ... |
15 | Malta | Europe | Southern Europe | 316 | Valletta | 380200 |