MySQL 1102

This error occurs when an invalid database name is used. It indicates that the database name specified does not exist in the system.

How It Affects Your App

MySQL 1102 ER_WRONG_DB_NAME indicates that the database name specified in the connection string is incorrect. This can prevent the application from connecting to the database, resulting in an inability to access or modify data. This can cause the application to fail to function properly, resulting in a poor user experience. Additionally, the application may be unable to perform any database operations, such as creating tables or inserting data. This can lead to data loss or corruption, which can be difficult to recover from.

How To Fix

1. Check the error log for the MySQL 1102 error. This can be done by running the following command:
mysql> SHOW GLOBAL VARIABLES LIKE 'log_error';
2. Check the user privileges for the user that is trying to access the database. This can be done by running the following command:
mysql> SELECT USER, HOST FROM mysql.user;
3. Check the database permissions for the user that is trying to access the database. This can be done by running the following command:
mysql> SHOW GRANTS FOR 'username'@'hostname';
4. If the user does not have the correct privileges, grant the necessary privileges to the user. This can be done by running the following command:
mysql> GRANT ALL PRIVILEGES ON database_name.* TO 'username'@'hostname';
5. Flush the privileges to make sure the changes take effect. This can be done by running the following command:
mysql> FLUSH PRIVILEGES;
6. Restart the MySQL server. This can be done by running the following command:
mysql> sudo service mysql restart
7. Use an automated database observability tool to monitor and fix the MySQL 1102 in question. Automated database observability tools can help identify and diagnose issues quickly, as well as provide insights into the performance of the database. This can help prevent future issues from occurring and ensure that the database is running optimally.

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