Privilege setting in Discoverer OLAP

Hi,
One of my customer has the following issue:
Powerful role OLAP_USER is assigned to the role D4OPUB, on first-time creation of a
Discoverer catalog. However OLAP_USERS has a lot of system privilege, like create table,
create dimension.
We have a number of Discoverer OLAP end users who would just read worksheets thru the Discoverer
Viewer (i.e. need to access the Discoverer catalog), and thus do not need those privilege of
OLAP_USERS. Our DBA will seperately grant select-only rights over the corresponding OLAP analytic
workspace to end users
So what can we do:
1) Any suggestions to accomplish this?
2) Can OLAP_USERS role (or D4OPUB role)be revoked from the user without any issue?
Thanks in advance,
Regards,
Padmanabh.

Hi Padmanabh
Chapter 16 of my Discoverer 10g Handbook is dedicated to using Discoverer with OLAP and if you don't have a copy I would urge you to get hold of one.
I have taken the following extract from my book:
You can add users to the Discoverer Catalog either using Oracle Enterprise Manager, or using the Java command-line utility. Users have to be added to the Discoverer Catalog before they can connect to Discoverer Plus for OLAP.
To add or remove a user from the Discoverer Catalog using Oracle Enterprise Manager 10g Application Control or Grid Control, use the following workflow:
1. Connect to the Discoverer Catalog home page within Oracle Enterprise Manager as before.
2. Click the Manage link.
3. Enter the connection details for the Discoverer Catalog.
4. Click Authorize Users and Roles.
5. You will then be presented with a list of available database users and roles, and a list of those users and roles that are currently authorized to access the Discoverer Catalog.
6. Select the users and roles that you want to access the Discoverer Catalog. If you add a role, all users with that role automatically have access to the Catalog. Any users or roles that you authorize for Discoverer Catalog use are assigned the D4OPUB role, which provides access to the objects stored in the catalog.
Reading between the lines then you can see that even if you assign another role for your end users they must also get the D40PUB role which means they will also get OLAP_USERS.
Best wishes
Michael
http://ascbi.com

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