V$OBSOLETE_PARAMETER

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`)