How security values are passed to OBIEE server

Hi All,
I would like to understand how are the security values passed to OBIEE server? Can anybody let me understand this or provide some link?
Thanks in Adv

Check this
Rittman Mead Consulting &raquo; Blog Archive &raquo; An OBIEE 11g Security Primer : Introduction
Mark if helps.

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Dynamic sql reurns no data when multiple values are passed.

(Dynamic sql returns no data when multiple values are passed.)
Hi,
While executing the below dynamic sql in the procedure no data is returned when it has multiple input values.
When the input is EMPID := '1'; the procedure works fine and returns data.Any suggestion why the procedure doen't works when input as EMPID := '1'',''2'; is passed as parameter?
=======================================================
create or replace PROCEDURE TEST(EMPID IN VARCHAR2, rc OUT sys_refcursor)
IS
stmt VARCHAR2(9272);
V_EMPID VARCHAR2(100);
BEGIN
V_EMPID :=EMPID;
stmt := 'select * from TEST123 where Empid is NOT NULL';
IF V_EMPID <> '-1' THEN
stmt := stmt || ' and Empid in (:1)';
ELSE
stmt := stmt || ' and -1 = :1';
END IF;
OPEN rc FOR stmt USING V_EMPID;
END Z_TEST;
============================================================
Script for create table
==================================================================
CREATE TABLE TEST123 (
EMPID VARCHAR2(10 BYTE),
DEPT NUMBER(3,0)
===========================================
Insert into PDEVUSER.TEST123 (EMPID,DEPT) values ('1',20);
Insert into PDEVUSER.TEST123 (EMPID,DEPT) values ('2',10);
Insert into PDEVUSER.TEST123 (EMPID,DEPT) values ('3',30);
Insert into PDEVUSER.TEST123 (EMPID,DEPT) values ('3',30);
Insert into PDEVUSER.TEST123 (EMPID,DEPT) values ('2',10);
=============================================
Select * from TEST123 where Empid in (1,2,3)
EMPID DEPT
1     20
2     10
3     30
3     30
2     10
===================================================================
Any suggestion why the procedure doen't works when input EMPID := '1'',''2';?
Thank you,

The whole scenario is a little strange. When I tried to compile your procedure it couldn't compile, but I added the missing info and was able to get it compiled.
create or replace PROCEDURE TEST (EMPID IN VARCHAR2, rc OUT sys_refcursor)
IS
stmt        VARCHAR2 (9272);
V_EMPID     VARCHAR2 (100);
BEGIN
V_EMPID := EMPID;
stmt := 'select * from TEST123 where Empid is NOT NULL';
IF V_EMPID = '-1' THEN
    stmt := stmt || ' and Empid in (:1)';
ELSE
    stmt := stmt || ' and -1 = :1';
END IF;
OPEN rc FOR stmt USING V_EMPID;
END;If you pass in 1 as a parameter, it is going to execute because the statement that it is building is:
select * from TEST123 where Empid is NOT NULL and -1 = 1Although the syntax is valid -1 will never equal 1 so you will never get any data.
If you pass in 1,2 as a parameter then it is basically building the following:
select * from TEST123 where Empid is NOT NULL and -1 = 1,2This will cause an invalid number because it is trying to check where -1 = 1,2
You could always change your code to:
PROCEDURE TEST (EMPID IN VARCHAR2, rc OUT sys_refcursor)
IS
stmt        VARCHAR2 (9272);
V_EMPID     VARCHAR2 (100);
BEGIN
V_EMPID := EMPID;
stmt := 'select * from TEST123 where Empid is NOT NULL';
stmt := stmt || ' and Empid in (:1)';
OPEN rc FOR stmt USING V_EMPID;
END;and forget the if v_empid = '-1' check. If you pass in a 1 it will work, if you pass in 1,2 is will work, but don't pass them in with any tick marks.

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Edited by: ponic on Jun 22, 2011 7:54 AM

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How security values are passed to OBIEE server

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