What does it mean when mysql prompts that database already exists when creating a database?

The meaning of "already exists" when creating a MySQL database

When you try to use the CREATE DATABASE statement to create a MySQL database, an "already exists" error occurs , indicating that a database with the same name already exists.

To learn more about this error:

Cause:

• Database names are not case sensitive, meaning that even if the name is uppercase or lowercase Different, but a database with the same name actually already exists.
• The database you are trying to create may have already been created by another user or application.

Solution:

• Check the database name: Make sure the database name you enter is spelled and cased correctly.
• Verify whether the database exists: Use the SHOW DATABASES; statement to list the currently existing databases and check whether a database with the same name exists.
• Try a different name: Choose a different database name and try creating again.
• Use the DROP DATABASE statement to delete an existing database: If you have permission to delete an existing database, you can use the DROP DATABASE <database_name>; statement to delete it, Then try creating again.
• Check permissions: Make sure you have permission to create a database on the specified server.
• Restart the MySQL server: Occasionally, the MySQL server may not correctly detect the existence of the database. Restarting the server can resolve this issue.

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