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Please enable JavaScript in your browser settings or update your browser.Lære Challenge: Europe Region Sort | Advanced Data Filtering
Introduction to SQL
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Kursusindhold

Introduction to SQL

Introduction to SQL

1. Retrieving Data
Retrieving Individual ColumnsRetrieving Multiple Columns Retrieving All ColumnsRetrieving Distinct RowsLimiting ResultsChallenge: Find the Population of the CountriesChallenge: Find All CountriesChallenge: Find All Countries With Their IDsChallenge: Find Country CapitalsChallenge: Find the Regions in Which All Countries Are Located
2. Sorting Retrieved Data
Sorting DataChallenge: Population SortSorting by Multiple ColumnsChallenge: Dual-Sort QuerySpecifying Sort DirectionChallenge: Sort the Countries by Region and CapitalChallenge: Sort Capitals in Descending OrderChallenge: Sort Countries in Ascending OrderChallenge: Find Countries, Their IDs, and Their PopulationsChallenge: Find Countries, IDs, Populations, Regions, and Sort ThemChallenge: Find All Continents and Sort Them in Ascending Order
3. Filtering Data
Using the WHERE ClauseChallenge: North America Population SortThe WHERE Clause Operators Challenge: Population Threshold QueryChecking for a Range of ValuesChecking for NO Value
4. Advanced Data Filtering
Using the AND OperatorChallenge: Europe Region SortUsing the OR operatorChallenge: America Regions FilterUsing the NOT OperatorChallenge: Non-Europe Capitals Sort
5. Aggregate Functions
The AVG() FunctionChallenge: Surface Area SelectionThe COUNT() FunctionChallenge: Continental CountThe MAX() FunctionThe MIN() FunctionChallenge: Large Surface Area AverageThe SUM() Function

book
Challenge: Europe Region Sort

Here is the country table we are working with:

Opgave

Swipe to start coding

Write an SQL query to get the name, region, capital, and population columns from the country table (please retrieve these columns in this order). These countries must be from the 'Europe' continent and have a population of ​​over 100000. Then, sort the result by two of them - first by region in ascending order, then by capital, also in ascending order.

Note

Note that europe is not the same as Europe, so be careful and write correctly: Europe.

Løsning

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Sektion 4. Kapitel 2
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book
Challenge: Europe Region Sort

Here is the country table we are working with:

Opgave

Swipe to start coding

Write an SQL query to get the name, region, capital, and population columns from the country table (please retrieve these columns in this order). These countries must be from the 'Europe' continent and have a population of ​​over 100000. Then, sort the result by two of them - first by region in ascending order, then by capital, also in ascending order.

Note

Note that europe is not the same as Europe, so be careful and write correctly: Europe.

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 2
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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