Command to delete mysql

MySQL is a powerful and reliable relational database management system, usually used to store and manage large amounts of data. However, in actual use, we may need to delete some MySQL databases, such as test data, abandoned databases, or legacy data. In MySQL, there are several ways to delete a database. This article will introduce the steps to delete a MySQL database from the command line.

Before we start, we need to ensure that we have MySQL administrator rights and root user access rights. We also need to back up and confirm that the deleted database data is not recoverable.

The following are the steps to delete a MySQL database:

Step 1: Connect to the MySQL database server

To connect to the MySQL server, we need to use the MySQL command file as well as root The user's credentials. Type the following command in the terminal:

mysql -u root -p

This will start the MySQL server and log in as the root user. Enter the root user password to complete the login.

Step 2: List existing databases

Once we successfully log in to the MySQL server, at the MySQL command line prompt, we can list all existing databases with the following command:

SHOW DATABASES;

When we press the Enter key, the system will display all existing databases on the command line.

Step 3: Select the database to be deleted

To delete the database, we need to use the DROP DATABASE command, but before executing, we need to determine the name of the database to be deleted. Select the database you want to delete with the following command:

USE database_name;

In this command, replace "database_name" with the actual database name you want to delete. This will make the selection database active so that the DROP DATABASE command can be executed.

Step 4: Delete the database

Once the database to be deleted is selected, we can delete it using the following command:

DROP DATABASE database_name;

After executing this command, MySQL will delete it from the server Delete the specified database and all its contents from . Please note that deletion is irreversible, so be sure to make a backup before performing DROP DATABASE.

Step 5: Exit MySQL

After deleting the required database, we can exit the MySQL server. At the MySQL command line, enter the following command:

EXIT;

Once completed, we will be taken back to the terminal prompt.

Summary

By performing the above steps, we can easily delete the database in MySQL. Since the deletion operation is irreversible, be sure to back up the database before executing DROP DATABASE and confirm that the database to be deleted is correct. In the meantime, we recommend testing and confirming before doing this.

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