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

test sql course e2e new task ui

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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.

Task

Swipe to start coding

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

Solution

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SectionΒ 1. ChapterΒ 2
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book
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.

Task

Swipe to start coding

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

Solution

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!

SectionΒ 1. ChapterΒ 2
Switch to desktopSwitch to desktop for real-world practiceContinue from where you are using one of the options below
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