V$PARAMETER_VALID_VALUES

V$PARAMETER_VALID_VALUES displays a list of valid values for list parameters.

Column	Datatype	Description
`NUM`	`NUMBER`	Parameter number
`NAME`	`VARCHAR2(64)`	Parameter name
`ORDINAL`	`NUMBER`	Ordinal number in the list (1-based)
`VALUE`	`VARCHAR2(255)`	Parameter value at ordinal
`ISDEFAULT`	`VARCHAR2(64)`	Indicates whether the given ordinal value is the default value for the parameter
`CON_ID`	`NUMBER`	The ID of the container to which the data pertains. Possible values include: `0`: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. `1`: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data