Creating Roles in Oracle 8i

I am having problems creating a Role. I am new to all this DB stuff so please be patient.
I want to create a Role type in Oracle and restrict this role to only be able to do SELECTS on certain Schema. Following is some Script that I wrote :

CREATE ROLE "APP_USER"  NOT IDENTIFIED;
GRANT SELECT ON "APP"."CUSTOMER" TO "APP_USER"
GRANT SELECT ON "APP"."SHIPMENT" TO "APP_USER"
GRANT SELECT ON "APP"."V_INVLIST" TO "APP_USER"
GRANT "CONNECT" TO "APP_USER";

Where APP is another User and the tables are the User Schema Tables.
Where I run this script from SQLPLUS I get :
ERROR at line 1:
ORA-01031: insufficient privileges
I tried logging in as SYS, SYSTEM, and Internal with SYSDBA privl.
 
Can anyone help.

Thanks
Adil
AdilKAsked:
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kp397Commented:
I donot understand why you are giving Connect previlege to a role here.

GRANT "CONNECT" TO "APP_USER";
This is assigns connect previleges to a database user.
You don't need this stmt for your purpose.
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AdilKAuthor Commented:
Ok My fault. Also, can anyone tell me how can I restrict a user from selecting from the SYS or SYSTEM tables (Data Dictionary)
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kp397Commented:
Do you have any specific tables.Normally thought it will show table, basic your cannot be able to select data from some of the tables.
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AdilKAuthor Commented:
Well for example I dont want to the user to select from view SYS.ALL_USER  

Adil
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kp397Commented:
Connect to SYS and Revoke permissions from user.
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AdilKAuthor Commented:
Revoke what Permissions...!!! Please explain !
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seazodiacCommented:
by default,

A user account created has not a single sys or object privileges, not to mention to select sys tables.

For example, when you issue
SQL>create user test identified by test;

up to this point , you cannot even connect to the database using 'test' account,

but once you assign "CONNECT" to it, it can see a certain number of tables, like tables starting with "ALL_" and "USER_" ...because these tables when created, are granted SELECT to PUBLIC

so if you want to revoke all the select on ALL_USERS table, you have to do:

log in as sys

SQL>revoke SELECT on ALL_USERS from PUBLIC;

then user account "test" lost the select privilege on SYS.ALL_USERS...

Hope this helps a bit
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