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`.

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


This course is for you if you are new to SQL, you want to quickly learn how to get the most out of SQL and you want to learn how to use SQL in your own application development.

In this section, we will learn how to sort retrieved data using the ORDER BY clause. This clause, which must be the last in the SELECT statement, can be used to sort data on one or more columns as needed.\n

In this section, we will learn how to use the SQL SELECT statement to get a single table column, multiple table columns, and all table columns. We will also find out how to return unique values.

This section has long execution init script

Sorting by Multiple Columns

Solution