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How to Fix MySQL Error 1229 – SQLSTATE: HY000 (ER_GLOBAL_VARIABLE) Variable ‘%s’ is a GLOBAL variable and should be set with SET GLOBAL

How to Fix MySQL Error 1229 – SQLSTATE: HY000 (ER_GLOBAL_VARIABLE)

MySQL is a popular open-source relational database management system used by many websites and applications. However, like any software, it can encounter errors that can disrupt its normal operation. One such error is MySQL Error 1229 – SQLSTATE: HY000 (ER_GLOBAL_VARIABLE), which occurs when trying to set a global variable using the SET GLOBAL command.

Understanding the Error

The error message “Variable ‘%s’ is a GLOBAL variable and should be set with SET GLOBAL” indicates that you are trying to set a global variable using the SET command instead of the SET GLOBAL command. In MySQL, global variables are system-wide and affect all sessions, while session variables are specific to each session.

When you encounter this error, it means that the variable you are trying to set is a global variable and should be set using the SET GLOBAL command instead of the SET command.

Fixing the Error

To fix the MySQL Error 1229 – SQLSTATE: HY000 (ER_GLOBAL_VARIABLE), you need to use the correct command to set the global variable. Here’s how you can do it:

  1. Identify the global variable you want to set. You can find a list of global variables in the MySQL documentation.
  2. Open your MySQL client or command-line interface.
  3. Instead of using the SET command, use the SET GLOBAL command followed by the variable name and its value. For example, to set the global variable max_connections to 100, you would use the following command:
SET GLOBAL max_connections = 100;

Make sure to replace “max_connections” with the name of the global variable you want to set and “100” with the desired value.

After executing the command, MySQL should set the global variable without throwing the Error 1229 – SQLSTATE: HY000 (ER_GLOBAL_VARIABLE).

Conclusion

MySQL Error 1229 – SQLSTATE: HY000 (ER_GLOBAL_VARIABLE) occurs when trying to set a global variable using the SET command instead of the SET GLOBAL command. To fix this error, you need to use the correct command to set the global variable. By following the steps outlined in this article, you should be able to resolve the issue and set the global variable successfully.

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