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Challenge: Find Countries, IDs, Populations, Regions, and Sort Them | Sorting Retrieved Data
Introduction to SQL
course content

Course Content

Introduction to SQL

Introduction to SQL

1. Retrieving Data
2. Sorting Retrieved Data
3. Filtering Data
4. Advanced Data Filtering
5. Aggregate Functions

bookChallenge: 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:

idnamecontinentregionsurfaceareacapitalpopulation
1JapanAsiaEastern Asia377829Tokyo126714000
2LatviaEuropeNULL64589Riga2424200
3MexicoNorth AmericaCentral America1958201Mexico City98881000
.....................
15MaltaEuropeSouthern Europe316Valletta380200

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Section 2. Chapter 10
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bookChallenge: 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:

idnamecontinentregionsurfaceareacapitalpopulation
1JapanAsiaEastern Asia377829Tokyo126714000
2LatviaEuropeNULL64589Riga2424200
3MexicoNorth AmericaCentral America1958201Mexico City98881000
.....................
15MaltaEuropeSouthern Europe316Valletta380200

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

Thanks for your feedback!

Section 2. Chapter 10
toggle bottom row

bookChallenge: 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:

idnamecontinentregionsurfaceareacapitalpopulation
1JapanAsiaEastern Asia377829Tokyo126714000
2LatviaEuropeNULL64589Riga2424200
3MexicoNorth AmericaCentral America1958201Mexico City98881000
.....................
15MaltaEuropeSouthern Europe316Valletta380200

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Everything was clear?

How can we improve it?

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:

idnamecontinentregionsurfaceareacapitalpopulation
1JapanAsiaEastern Asia377829Tokyo126714000
2LatviaEuropeNULL64589Riga2424200
3MexicoNorth AmericaCentral America1958201Mexico City98881000
.....................
15MaltaEuropeSouthern Europe316Valletta380200

Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
Section 2. Chapter 10
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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