PL/SQL :: ROLE Privileges In Oracle

Aug 1, 2012

How CONNECT Role in oracle works.

I have my schema "SchemaABC" with ROLES created as CONNECT and RESOURCE. Also it doesn't have DBA role (to say).

SQL> Select * from  User_Role_Privs;

USERNAME                       GRANTED_ROLE                   ADMIN_OPTION DEFAULT_ROLE OS_GRANTED
------------------------------ ------------------------------ ------------ ------------ ----------
SCHEMAABC                       CONNECT                        NO           YES          NO
SCHEMAABC                       RESOURCE                       NO           YES          NO

SQL>Currently we are able connect to this schema through code as well as from PL/SQL Developer. And uses it for all coding purposes like Create, Insert, Update, Stored Procedures, functions, triggers etc.

Now my question is, can this schema be changed to a role/privilege where all the above said activities can be done through code, but not from PL/SQL developer (making it to Read-only)? Yet, I will be using the same schema Name in code as well to connect from PL/SQL Developer.

I understand Connect role has big share in this. But if I remove the connect privilege(role), then will that work when I connect to it through code?

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I have a role R.I want to see what privileges have been granted to this Role R. Where should i query? 

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REVOKE ROLE - Disable All Privileges?

Mar 1, 2012

I am observing a strange behavior for the ROLES:

The DBA granted the RESOURCE role for my user USER1:

GRANT RESOURCE TO USER1;
The USER1 logged and activated the role RESOURCE.
CONN USER1/USER1
SET ROLE RESOURCE;

... it has some privileges in database ( UNLIMITED TABLESPACE for example that grant to him create table in any tablespace).

Now I created a new tablespace, but the user1 cannot use this new tablespace.So I will to revoke the RESOURCE for the USER1:REVOKE RESOURCE TO USER1;

It seems ok, but the user USER1 can still create tables in the new tablespace.I repared that UNLIMITED TABLESPACE still active, and the REVOKE RESOURCE just will have effect in the next LOGON of the USER1.

How can I REVOKE the ROLE and disable all the privileges from it immediately?

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Aug 6, 2012

I want to find role dependency on another role.

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2. If the role is made of some other role and additional priviliges, what query I should fire to find that?

3. Role is granted to which users?

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Jun 8, 2010

I bought Selftestsoftware for 1z0-147 for 9i and 10g. Selftestsoftware is endorsed by Oracle, should be high quality.

But its below sample question and answer seem to be wrong: It says that privilege for subprogram can be granted via role. But from Urman 9i book: the grant the execute privilege must be done explicitly and not through a role.

Did Selftestsoftware made a mistake? Or the question did not mention or assume that the subprogram is based on invoker rights not definer right?

Quote:
Question: All users in the HR_EMP role have UPDATE privileges on the EMPLOYEE table. You create the UPDATE_EMPLOYEE procedure. HR_EMP users should only be able to update the EMPLOYEE table using this procedure. Which two statements should you execute? (Choose two.)

GRANT UPDATE ON employee TO hr_emp;
GRANT SELECT ON employee to hr_emp;
REVOKE UPDATE ON employee FROM hr_emp;
REVOKE UPDATE ON employee FROM public;
GRANT EXECUTE ON update_employee TO hr_emp;

Explanation:
The two statements you should execute are:
REVOKE UPDATE ON employee FROM hr_emp;
GRANT EXECUTE ON update_employee TO hr_emp;

Unless you are the owner of the PL/SQL construct, you must be granted the EXECUTE object privilege to run it or have the EXECUTE ANY PROCEDURE system privilege. By default, a PL/SQL procedure executes under the security domain of its owner. This means that a user can invoke the procedure without privileges on the procedures underlying objects. To allow HR_EMP users to execute the procedure, you must issue the GRANT EXECUTE ON update_employee TO hr_emp; statement. To prevent HR_EMP users from updating the EMPLOYEE table unless they are using the UPDATE_EMPLOYEE procedure, you must issue the REVOKE UPDATE ON employee FROM hr_emp;

All of the other options are incorrect because they will not meet the specified requirements.

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Oct 10, 2012

But what I noticed is that user HIEL has a connect role but YONC does not. (Result set is below) Have searched for information but did not find what I was looking for. I did read something about backward compatibility.I'm leaning towards that thought since the other user YONC does not have this role.

Database: 11g R1

SQL> select * from dba_role_privs where grantee in ('YONC', 'HIEL') order by grantee;
GRANTEE GRANTED_ROLE ADM DEF
--------------------------- --------------------------- --- ---
YONC WCAIMS_INQUIRY NO YES
YONC ENDUSER NO YES
HIEL WCAIMS_CSR_ADDR NO YES

[code].........

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Oct 18, 2013

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create role test_role
*
ERROR at line 1: ORA-01031: insufficient privileges

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Jun 3, 2010

I have a stored procedure which when executed creates a user and grants some roles to the user and also makes certain roles DEFAULT using "alter user"

The issue comes when i execute the procedure.

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SQL> grant alter user to ABC;
Grant succeeded.
SQL> grant ABC to user1;
Grant succeeded.

Now, when i run the stored procedure as the user1, it gives me an error on a line saying "insufficient privileges", when i check the line, its this line:
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But as far as i know the user1 has the "alter user" privilege

I want to make those two roles ROLE1, ROLE2 DEFAULT because i don't want the other roles ROLE3,ROLE4 to be default, as you know if there are many roles and if we alter user with default for certain roles other roles become DEFAULT=NO.

So i get the error at "alter user" statement though the user has the "alter user" privilege, what do you think might be wrong?

OR is there anyway to grant roles to the user with default=NO option?

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SQL>
SQL>
SQL> select name from v$database;

[code]...

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*
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SQL>

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