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Lære Sorting by Multiple Columns | Sorting Retrieved Data
TEST SQL COURSE E2E
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TEST SQL COURSE E2E

TEST SQL COURSE E2E

1. Sorting Retrieved Data
2. Retrieving Data
3. Failing init script
4. Long execution init script

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Sorting by Multiple Columns

We can also sort by several columns. We need to specify the column names separated by commas. Let’s look at the example that retrieves three columns and sorts the results by two of them - first by population and then by capital.

1234
SELECT ID, population, capital FROM country ORDER BY population, capital;
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Opgave

Swipe to start coding

Retrieve four columns using the SELECT statement, namely: continent, region, population, and capital (please retrieve these columns in this order). Then, sort the result by two of them - first by continent, then by population.

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 1. Kapitel 3
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book
Sorting by Multiple Columns

We can also sort by several columns. We need to specify the column names separated by commas. Let’s look at the example that retrieves three columns and sorts the results by two of them - first by population and then by capital.

1234
SELECT ID, population, capital FROM country ORDER BY population, capital;
copy
Opgave

Swipe to start coding

Retrieve four columns using the SELECT statement, namely: continent, region, population, and capital (please retrieve these columns in this order). Then, sort the result by two of them - first by continent, then by population.

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 1. Kapitel 3
Switch to desktopSkift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående muligheder
Vi beklager, at noget gik galt. Hvad skete der?
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