Usar DeleteDBParameterGroup com o AWS SDK ou a CLI

    /// <summary>
    /// Delete a DB parameter group. The group cannot be a default DB parameter group
    /// or be associated with any DB instances.
    /// </summary>
    /// <param name="name">Name of the DB parameter group.</param>
    /// <returns>True if successful.</returns>
    public async Task<bool> DeleteDBParameterGroup(string name)
    {
        var response = await _amazonRDS.DeleteDBParameterGroupAsync(
            new DeleteDBParameterGroupRequest()
            {
                DBParameterGroupName = name,
            });
        return response.HttpStatusCode == HttpStatusCode.OK;
    }

        Aws::Client::ClientConfiguration clientConfig;
        // Optional: Set to the AWS Region (overrides config file).
        // clientConfig.region = "us-east-1";

    Aws::RDS::RDSClient client(clientConfig);

        Aws::RDS::Model::DeleteDBParameterGroupRequest request;
        request.SetDBParameterGroupName(parameterGroupName);

        Aws::RDS::Model::DeleteDBParameterGroupOutcome outcome =
                client.DeleteDBParameterGroup(request);

        if (outcome.IsSuccess()) {
            std::cout << "The DB parameter group was successfully deleted."
                      << std::endl;
        }
        else {
            std::cerr << "Error with RDS::DeleteDBParameterGroup. "
                      << outcome.GetError().GetMessage()
                      << std::endl;
            result = false;
        }

Como excluir um grupo de parâmetros de banco de dados

O exemplo de command a seguir exclui um grupo de parâmetros de banco de dados.

aws rds delete-db-parameter-group \
    --db-parameter-group-name mydbparametergroup

Este comando não produz saída.

Para obter mais informações, consulte Como trabalhar com grupos de parâmetros de banco de dados no Guia do usuário do Amazon RDS.

type DbInstances struct {
	RdsClient *rds.Client
}



// DeleteParameterGroup deletes the named DB parameter group.
func (instances *DbInstances) DeleteParameterGroup(ctx context.Context, parameterGroupName string) error {
	_, err := instances.RdsClient.DeleteDBParameterGroup(ctx,
		&rds.DeleteDBParameterGroupInput{
			DBParameterGroupName: aws.String(parameterGroupName),
		})
	if err != nil {
		log.Printf("Couldn't delete parameter group %v: %v\n", parameterGroupName, err)
		return err
	} else {
		return nil
	}
}

    // Delete the parameter group after database has been deleted.
    // An exception is thrown if you attempt to delete the para group while database
    // exists.
    public static void deleteParaGroup(RdsClient rdsClient, String dbGroupName, String dbARN)
            throws InterruptedException {
        try {
            boolean isDataDel = false;
            boolean didFind;
            String instanceARN;

            // Make sure that the database has been deleted.
            while (!isDataDel) {
                DescribeDbInstancesResponse response = rdsClient.describeDBInstances();
                List<DBInstance> instanceList = response.dbInstances();
                int listSize = instanceList.size();
                didFind = false;
                int index = 1;
                for (DBInstance instance : instanceList) {
                    instanceARN = instance.dbInstanceArn();
                    if (instanceARN.compareTo(dbARN) == 0) {
                        System.out.println(dbARN + " still exists");
                        didFind = true;
                    }
                    if ((index == listSize) && (!didFind)) {
                        // Went through the entire list and did not find the database ARN.
                        isDataDel = true;
                    }
                    Thread.sleep(sleepTime * 1000);
                    index++;
                }
            }

            // Delete the para group.
            DeleteDbParameterGroupRequest parameterGroupRequest = DeleteDbParameterGroupRequest.builder()
                    .dbParameterGroupName(dbGroupName)
                    .build();

            rdsClient.deleteDBParameterGroup(parameterGroupRequest);
            System.out.println(dbGroupName + " was deleted.");

        } catch (RdsException e) {
            System.out.println(e.getLocalizedMessage());
            System.exit(1);
        }
    }

class InstanceWrapper:
    """Encapsulates Amazon RDS DB instance actions."""

    def __init__(self, rds_client):
        """
        :param rds_client: A Boto3 Amazon RDS client.
        """
        self.rds_client = rds_client

    @classmethod
    def from_client(cls):
        """
        Instantiates this class from a Boto3 client.
        """
        rds_client = boto3.client("rds")
        return cls(rds_client)


    def delete_parameter_group(self, parameter_group_name):
        """
        Deletes a DB parameter group.

        :param parameter_group_name: The name of the parameter group to delete.
        :return: Data about the parameter group.
        """
        try:
            self.rds_client.delete_db_parameter_group(
                DBParameterGroupName=parameter_group_name
            )
        except ClientError as err:
            logger.error(
                "Couldn't delete parameter group %s. Here's why: %s: %s",
                parameter_group_name,
                err.response["Error"]["Code"],
                err.response["Error"]["Message"],
            )
            raise