Course Content
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
Challenge: Find All Countries
Here is the country
table we are working with:
Task
Swipe to start coding
Write an SQL query to retrieve the names of all countries (the name
column) from the country
table.
Solution
Everything was clear?
Thanks for your feedback!
Section 1. Chapter 7
Challenge: Find All Countries
Here is the country
table we are working with:
Task
Swipe to start coding
Write an SQL query to retrieve the names of all countries (the name
column) from the country
table.
Solution
Everything was clear?
Thanks for your feedback!
Section 1. Chapter 7