Welcome to the fourth section! Now it's time to learn how to sort the table based on some criteria.

For example, we want to sort the entire `audi_cars` table based on the `mileage` column. In SQL to sort by column use `ORDER BY col_name` statement preceded by `WHERE`, `FROM`, and `SELECT` statements.

> Please note, that sorting in SQL is realized in **ascending** order by default.

SQL is a domain-specific programming language widely used by data scientists, analysts, etc for manipulating and extracting necessary data. Nowadays, SQL is a must-have point in the CV for every potential analyst, data scientist. In this course, you will be introduced to the very basics of SQL.

In this section, you will be introduced to the very basics of SQL: extracting one or multiple columns from a database.

In this section, you will learn how to filter observations so only necessary rows will be extracted.

In this section, you will learn about the usage of different aggregating functions for your table, such as minimum, maximum, average... 

In this section, you will learn how to sort your table, even having filters and aggregate functions applied to a table.

In this section, you will learn about grouping observations and usage of this principle.

This chapter is designed for users who have completed the previous sections and want to consolidate knowledge.

Sorting by one column

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