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Lära Failed task checker | first section new task ui sql course
test sql course e2e new task ui

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Let's explore this database a bit further. The country database consists of a single table named country. Let's examine the contents of this table.

This table has 15 rows, which means we have 15 distinct records for different countries.

Now, what about the columns? In this table, we have 7 columns, like id, name, continent, region, SurfaceArea, capital, and population.

  1. id - the record number in this table;

  2. name - the name of the country;

  3. continent - the name of the country's continent;

  4. region- the name of the country's region;

  5. SurfaceArea - the total land area of the country;

  6. capital - the capital of the country;

  7. population - the population of the country.

Uppgift

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You need to retrieve the continent column from the country table.

Lösning

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Failed task checker

Let's explore this database a bit further. The country database consists of a single table named country. Let's examine the contents of this table.

This table has 15 rows, which means we have 15 distinct records for different countries.

Now, what about the columns? In this table, we have 7 columns, like id, name, continent, region, SurfaceArea, capital, and population.

  1. id - the record number in this table;

  2. name - the name of the country;

  3. continent - the name of the country's continent;

  4. region- the name of the country's region;

  5. SurfaceArea - the total land area of the country;

  6. capital - the capital of the country;

  7. population - the population of the country.

Uppgift

Swipe to start coding

You need to retrieve the continent column from the country table.

Lösning

Switch to desktopByt till skrivbordet för praktisk övningFortsätt där du är med ett av alternativen nedan
Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

close

Awesome!

Completion rate improved to 33.33

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