Largest Population in Five Countries

Introduction

In this project, you will learn how to query the population data in the city table and retrieve the top 5 countries or regions with the greatest population.

👀 Preview

MariaDB [world]> SOURCE /home/labex/project/getBigPopulation.sql;
+-------------+---------------+
| CountryCode | SumPopulation |
+-------------+---------------+
| CHN         |     175953614 |
| IND         |     123298526 |
| BRA         |      85876862 |
| USA         |      78625774 |
| JPN         |      77965107 |
+-------------+---------------+
5 rows in set (0.007 sec)

🎯 Tasks

In this project, you will learn:

• How to access MySQL using the sudo command without any password
• How to import data from a SQL file into MySQL
• How to write an SQL query to fetch the top 5 countries or regions with the greatest population
• How to run the SQL query and display the results

🏆 Achievements

After completing this project, you will be able to:

• Understand how to work with MySQL databases
• Write SQL queries to retrieve data from a database
• Analyze and interpret population data from the city table