How to install php and modify the database name

PHP is a popular server-side scripting language that is widely used to build dynamic websites and web applications. Using PHP to develop web applications requires connecting to a database. During this process, we may need to modify the name of the database. This article will provide detailed guidance to help you install PHP and modify the database name.

1. Install PHP

Before you start, please make sure that your system has installed a web server environment such as LAMP or LEMP, which is necessary for web application development. LAMP includes the Linux operating system, Apache web server, MySQL database and PHP scripting language.

(1) Enter the following command in the terminal to install PHP:

sudo apt-get update

sudo apt-get install php php-mysql

(2) Then, you can enter the following command to check the PHP version:

php -v

If you see The output of the PHP version indicates that PHP has been successfully installed.

2. Modify the database name

(1) Open the terminal and connect to the MySQL database:

mysql -u root -p

Enter the MySQL administrator password to connect to the MySQL database.

(2) Enter the following command to view the names of all databases in MySQL:

show databases;

(3) Select the database whose name you want to modify:

use database_name;

Replace database_name with the Modified database name.

(4) Use the following command to modify the database name:

RENAME DATABASE database_name TO new_database_name;

Replace database_name with the database name to be modified, and replace new_database_name with the new name to be modified.

(5) Exit the MySQL database:

exit;

Finished! Now you have successfully changed the name of the database.

Conclusion

In this article, we introduced how to install PHP and modify the name of the MySQL database. This should be a good guide for those interested in the basic skills and knowledge you should have for web application development. If you encounter any problems during practice, please do not hesitate to contact us at any time, we will serve you wholeheartedly.

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