**To describe your DB parameter group** The following ``describe-db-parameter-groups`` example retrieves details about your DB parameter groups. :: aws rds describe-db-parameter-groups Output:: { "DBParameterGroups": [ { "DBParameterGroupName": "default.aurora-mysql5.7", "DBParameterGroupFamily": "aurora-mysql5.7", "Description": "Default parameter group for aurora-mysql5.7", "DBParameterGroupArn": "arn:aws:rds:us-east-1:123456789012:pg:default.aurora-mysql5.7" }, { "DBParameterGroupName": "default.aurora-postgresql9.6", "DBParameterGroupFamily": "aurora-postgresql9.6", "Description": "Default parameter group for aurora-postgresql9.6", "DBParameterGroupArn": "arn:aws:rds:us-east-1:123456789012:pg:default.aurora-postgresql9.6" }, { "DBParameterGroupName": "default.aurora5.6", "DBParameterGroupFamily": "aurora5.6", "Description": "Default parameter group for aurora5.6", "DBParameterGroupArn": "arn:aws:rds:us-east-1:123456789012:pg:default.aurora5.6" }, { "DBParameterGroupName": "default.mariadb10.1", "DBParameterGroupFamily": "mariadb10.1", "Description": "Default parameter group for mariadb10.1", "DBParameterGroupArn": "arn:aws:rds:us-east-1:123456789012:pg:default.mariadb10.1" }, ...some output truncated... ] } For more information, see `Working with DB Parameter Groups <https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_WorkingWithParamGroups.html>`__ in the *Amazon RDS User Guide*.