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**To describe the default engine and system parameter information for the database engine**
The following ``describe-engine-default-parameters`` example retrieves details for the default engine and system parameter information for MySQL 5.7 DB instances. ::
aws rds describe-engine-default-parameters \
--db-parameter-group-family mysql5.7
Output::
{
"EngineDefaults": {
"Parameters": [
{
"ParameterName": "allow-suspicious-udfs",
"Description": "Controls whether user-defined functions that have only an xxx symbol for the main function can be loaded",
"Source": "engine-default",
"ApplyType": "static",
"DataType": "boolean",
"AllowedValues": "0,1",
"IsModifiable": false
},
...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*.