Comprehensive Operation of Conversion Functions

Introduction

In this project, you will learn how to use MySQL's common conversion functions to extract relevant information from the emp table in the personnel database. You will learn how to access MySQL, import data, and write a script to perform various date and time conversions on the data.

👀 Preview

MariaDB [personnel]> SOURCE /home/labex/project/ConversionFunctions.sql;
+------------+------------+
| Entry Date | New Date   |
+------------+------------+
| 80-12      | 1980-12-31 |
| 81-02      | NULL       |
| 81-02      | NULL       |
| 81-04      | 1981-04-16 |
| 81-09      | NULL       |
| 81-05      | 1981-05-15 |
| 81-06      | 1981-06-23 |
| 87-06      | 1987-06-27 |
| 81-11      | 1981-11-31 |
| 81-09      | 1981-09-22 |
| 87-06      | 1987-06-27 |
| 81-12      | 1981-12-17 |
| 81-12      | 1981-12-17 |
| 82-01      | NULL       |
+------------+------------+
14 rows in set, 4 warnings (0.000 sec)

🎯 Tasks

In this project, you will learn:

• How to access MySQL using the sudo command without a password
• How to import data from a SQL file into the MySQL database
• How to write a SQL script to perform date and time conversions using functions like DATE_FORMAT() and STR_TO_DATE()
• How to display the results of the conversion functions with appropriate aliases

🏆 Achievements

After completing this project, you will be able to:

• Understand how to use MySQL's conversion functions to manipulate and display date and time data
• Write SQL scripts to perform complex data transformations
• Apply your knowledge of MySQL to solve real-world data processing problems