Modify the values of an Amazon RDS DB parameter group

Read the following articles for more information about Parameter Groups in RDS.
Parameter Groups in RDS.
Cannot modify the parameter group error in AWS RDS.

In a custom DB parameter group, parameter values can be changed. The parameter values in a default DB parameter group cannot be altered, though. Review the following frequent problems if you’re having trouble changing a DB parameter group’s value:

  • You can encounter an issue if you try to adjust the configuration of an RDS DB instance using commands like SET.
  • It’s possible that you are unable to alter the values of a default RDS DB parameter group if you are unable to update the DB instance configuration.
  • It’s possible that not all changes are immediately implemented if you modified the parameter values but nothing has changed.
  • If you are unable to edit any DB parameters, it may be because the parameter’s “Is Modifiable” property value is false.
  • Even though the parameter variable is dynamically changeable, it cannot be changed because doing so would involve adding new configurations or settings to the current engine.

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