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Lære Using the OR operator | Advanced Data Filtering
Introduction to SQL
course content

Kursusindhold

Introduction to SQL

Introduction to SQL

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

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Using the OR operator

The OR operator is used to filter records based on more than one condition, like if you want to return all countries from Asia but also those from Europe.

Here is the syntax of using the OR operator:

sql

Let's look at the example:

123
SELECT name, population, continent, region FROM country WHERE continent = 'Asia' OR continent = 'Europe';
copy

Here is the country table we are working with:

Opgave

Swipe to start coding

Write an SQL query to retrieve the name of the countries that are from 'Asia' or 'North America' continent.

Note

Note that north america is not the same as North America, and asia is not the same as Asia. Be careful and write correctly: North America and Asia.

Løsning

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Var alt klart?

Hvordan kan vi forbedre det?

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Sektion 4. Kapitel 3
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book
Using the OR operator

The OR operator is used to filter records based on more than one condition, like if you want to return all countries from Asia but also those from Europe.

Here is the syntax of using the OR operator:

sql

Let's look at the example:

123
SELECT name, population, continent, region FROM country WHERE continent = 'Asia' OR continent = 'Europe';
copy

Here is the country table we are working with:

Opgave

Swipe to start coding

Write an SQL query to retrieve the name of the countries that are from 'Asia' or 'North America' continent.

Note

Note that north america is not the same as North America, and asia is not the same as Asia. Be careful and write correctly: North America and Asia.

Løsning

Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
Var alt klart?

Hvordan kan vi forbedre det?

Tak for dine kommentarer!

Sektion 4. Kapitel 3
Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
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