true, the procedure raises an error:
Invalid packaged application ID passed.
The installed packaged application is unlocked and cannot be upgraded.
The installed packaged application is up to date and no upgrade needed.
Syntax
APEX_PKG_APP_INSTALL.UPGRADE(
    p_app_id in number );
Parameters
Table 24-5 UPGRADE Procedure Signature 1 Parameters
| Parameter | Description | 
|---|---|
| 
 | The packaged application ID. | 
Example
The following example shows how to use UPGRADE procedure to upgrade packaged application ID 7060 in DEMO workspace.
begin
    APEX_UTIL.SET_WORKSPACE( 'DEMO' );
    APEX_PKG_APP_INSTALL.UPGRADE( 
        p_app_id => 7060 );
end;
Parent topic: APEX_PKG_APP_INSTALL