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Apprendre 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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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.

Tâche

Swipe to start coding

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

Solution

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Tout était clair ?

Comment pouvons-nous l'améliorer ?

Merci pour vos commentaires !

Section 1. Chapitre 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.

Tâche

Swipe to start coding

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

Solution

Switch to desktopPassez à un bureau pour une pratique réelleContinuez d'où vous êtes en utilisant l'une des options ci-dessous
Tout était clair ?

Comment pouvons-nous l'améliorer ?

Merci pour vos commentaires !

Section 1. Chapitre 2
Switch to desktopPassez à un bureau pour une pratique réelleContinuez d'où vous êtes en utilisant l'une des options ci-dessous
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