To open the Oracle Parameters page
Click Configuration & Memory | Oracle Parameters.
 
Actions on the Parameters Grid
| Action | Description | 
|---|---|
| Select Show hidden parameters | Display all Oracle parameters. Note: Not applicable to Oracle 11g Release 2 and above. For Oracle 11g Release 2 and above the hidden parameters not shown have retained their default value. | 
| Double click on a parameter 
 | Change the value of a parameter. Notes: 
 | 
Parameters Grid
The Oracle Parameters grid displays global variables that can alter the way Oracle works.
Note: The Oracle version currently being used is displayed above the Parameters grid.
| Column | Description | 
|---|---|
| Name | The name of the parameter. | 
| Instance Name | The instance in the Oracle RAC cluster to which the parameter applies. | 
| Value | The value of the parameter. | 
| Is default? | Whether the current value is the default value. | 
| Sys modifiable? | Whether the parameter can be changed via ALTER SYSTEM. | 
| Description | A short description of the parameter. | 
| Adjusted? | Whether the RDBMS has adjusted the user's input value to a more suitable value. | 
| Modified | If the parameter is changed via ALTER SESSION, the value is MODIFIED. If the parameter is changed via ALTER SYSTEM, the value is SYS_MODIFIED. Otherwise, the value is NO. | 
| Session modifiable | Whether the parameter can be changed via ALTER SESSION. | 
| Type | The parameter type: Boolean, String, or Integer. | 
Edit Oracle Parameter dialog
Open this dialog from the Parameters grid.
| Option | Description | 
|---|---|
| Parameter value | Enter a new value for the Oracle parameter. | 
| Scope | Define the scope of the change. 
 Note: In Oracle RAC, the Scope value cannot be changed for the cluster as a whole. To change the Scope value for individual instances, use Spotlight on Oracle. | 
| Instance | The database instance that the change will apply to. If you choose the * value from the list, the change will apply to all instances in the cluster. | 
| Update | Make the change. The value of the parameter is updated immediately. Note: Changes made within Spotlight on Oracle RAC are effective immediately for the current instance. If applied to other instances in the cluster, changes are effective after the next refresh. |