Description:

This PHP script provides a fundamental example of how to create a MySQL database, insert data into it, and retrieve that data. It serves as a practical introduction to basic database operations using PHP and MySQL, which are essential skills for web development.

Creating a Database

The script begins by establishing a connection to the MySQL server using the mysqli extension. It specifies the server credentials, including the hostname, username, and password. Once connected, the script executes a SQL command to create a new database. This operation is crucial for setting up a structured environment where data can be stored and managed effectively.

Inserting Data into the Database

After successfully creating the database, the script proceeds to create a table within that database. This table is defined with specific columns that correspond to the data types of the information being stored. For example, it might include fields for user information such as name, email, and age.The script then demonstrates how to insert data into this table using an SQL INSERT statement. It prepares the data to be inserted, ensuring that it adheres to the defined structure of the table. This part of the script highlights the importance of data validation and sanitization to prevent issues such as SQL injection attacks.

Retrieving Data from the Database

Once data has been inserted, the script includes functionality to retrieve and display that data. It executes a SQL SELECT statement to fetch records from the table. The results are then processed and displayed in a user-friendly format, such as an HTML table. This retrieval process is essential for applications that need to present stored data to users, allowing for dynamic content generation based on the database's contents.

Conclusion

This PHP script encapsulates the basic operations of creating a database, inserting data, and retrieving that data using MySQL. It serves as a foundational example for developers looking to understand how to interact with databases in PHP. Mastering these operations is crucial for building robust web applications that require persistent data storage and retrieval capabilities. This script can be expanded upon to include more advanced features, such as user authentication, data updates, and deletion, making it a versatile starting point for further development.

Features:

• Create a Database
• Insert into Database
• Retrieve from Database

Requirements:

PHP Interpreter

Instructions:

Run on Local PHP Server or Online PHP Server