How to specify the character set in mysql connection string?

To specify the character set in the MySQL connection string, use the charset parameter. Here are the specific steps:

1. character set
2. character set=utf8
3. unicode transformation format 8
4. utf8mb4 is a character encoding standard that is commonly used for storing and processing text data in databases.
5. Mandarin Chinese encoding standard
6. Additional parameters in the concatenation string can be configured as needed.

Here is an example of concatenating strings, specifying the character set as utf8mb4:

"jdbc:mysql://localhost:3306/database_name?user=username&password=password&charset=utf8mb4"

In the example above, localhost:3306 is the address and port of the MySQL server, database_name is the name of the database to connect to, and username and password are the username and password used to log in to MySQL.

Please note that this is just an example and the specific connection string may vary depending on the programming language or tool you are using. Make the necessary adjustments based on the environment you are working in.