Introduction
In this project, you will learn how to retrieve countries that speak the same official language as the country with the country code "FRO" using a multi-row subquery operation in MySQL.
ð Preview
MariaDB [world]> SOURCE /home/labex/project/getCountryCode.sql;
+-------------+----------+
| CountryCode | Language |
+-------------+----------+
| DNK | Danish |
| FRO | Danish |
| FRO | Faroese |
| GRL | Danish |
+-------------+----------+
4 rows in set (0.002 sec)
ðŊ Tasks
In this project, you will learn:
- How to access MySQL using the
sudo
command without a password - How to import data from the
world.sql
file into the MySQL database - How to write a SQL query using multi-row subqueries to retrieve the desired information
- How to run the SQL query in the MySQL command-line interface
ð Achievements
After completing this project, you will be able to:
- Understand the concept of multi-row subqueries in SQL
- Retrieve specific data from a database using complex SQL queries
- Apply your knowledge of SQL to solve real-world data retrieval problems