# Introduction In this project, you will learn how to use subqueries to retrieve relevant information from the employee (`emp`) and department (`dept`) tables in the personnel database. You will practice writing complex SQL queries to access and analyze data from multiple tables. ## ð Preview ![Preview](https://file.labex.io/namespace/718bace8-27a3-4200-a588-dde4041ceeb9/mysql/project-subquery-comprehensive-challenge/lab-subquery-comprehensive-challenge/assets/1.png) ## ðŊ Tasks In this project, you will learn: - How to start the MySQL server and import the personnel database - How to use a subquery to find the employee with the highest salary - How to calculate the proportion of employees in a specific department compared to the entire company - How to retrieve all employees working in a specific location using a subquery - How to find employees whose salary exceeds the average salary in their department ## ð Achievements After completing this project, you will be able to: - Understand the concept and use of subqueries in SQL - Write complex SQL queries that combine data from multiple tables - Analyze and extract meaningful insights from a database using subqueries - Demonstrate your SQL skills in a practical, real-world scenario
Click the virtual machine below to start practicing