V$OBSOLETE_PARAMETER displays information about obsolete initialization parameters. If any row of the view contains TRUE in the ISSPECIFIED column, then you should examine why.
| Column | Datatype | Description | 
|---|---|---|
| NAME | VARCHAR2(64) | Name of the parameter | 
| ISSPECIFIED | VARCHAR2(5) | Indicates whether the parameter was specified in the parameter file ( TRUE) or not (FALSE) |