MySQL installation configuration detailed steps

MySQL installation and configuration detailed steps, build MySQL database from scratch I. Download and install the MySQL installation package 1. Visit the official MySQL website (https://www.mysql.com/) to get the latest version of the installation package.

2. After the download is complete, run the installation program and follow the prompts to complete the installation process.

II. Set MySQL root user password 1. During the installation process, there is an option that allows you to customize the password of the root user.

Be sure to select this option and set a secure and unique password for your username.

2. After the installation is complete, we can start the MySQL service.

In Windows, open the command prompt window and enter the following commands:

net start mysql

3. In Linux or macOS systems, open the terminal window and enter the following commands:

sudo systemctl start mysqld

4. Now, MySQL has been successfully installed and started.

You can use any MySQL client tool to connect to the database server, such as MySQL Workbench, phpMyAdmin, etc.

III. Basic configuration of MySQL 1. In order to facilitate management, we also need to do some basic configuration of MySQL.

For example, modify the host name of the root user to localhost, restrict remote access, etc.

These configurations can be done by editing MySQL's configuration file (my.cnf or my.ini).

The specific operation method can refer to the official MySQL document (https://dev.mysql.com/doc/refman/8.0/en/server-configuration.html).

Fourth, the basic operation of MySQL 1. Log in to the MySQL database:

 -u root -p

2. Create a new database:

CREATE DATABASE mydatabase;

3. Switch to the newly created database:

USE mydatabase;

4. Create a new table:

CREATE TABLE users (
    id INT AUTO_INCREMENT PRIMARY KEY,
    name VARCHAR(100),
    email VARCHAR(100)
);

5. Insert data:

INSERT INTO users (name, email) VALUES ('John Doe', 'john@example.com');

6. Query data:

SELECT * FROM users;

7. Update data:

UPDATE users SET email='john.doe@example.com' WHERE id=1;

8. Delete data:

DELETE FROM users WHERE id=1;

9. Delete the table:

DROP TABLE users;

10. Delete the database:

DROP DATABASE mydatabase;

11. Exit MySQL:

exit;

V. Summary Through the above steps, we have completed the installation and basic configuration of MySQL, and mastered some basic MySQL operations.

I hope this article can provide you with some help when using MySQL.

If you have any questions or need to know more about the functions and usage of MySQL, please continue to read our technical blog!