How to know backUrl and forwardUrl on Servlet or JSP

Hi all,
I have some problem about that.
I got backUrl from request.getHeader("referer").
But this propety is only used on "http://" (port=80)
So I want to know backUrl from "https://", other ports and local files.
There is request.getHeader("referer") has returned null value.
Pls help...
BR,
Enkhbat

Try this:
From:
String x1=request.getParameter("engine");
To:
String[] x1=request.getParameterValues("engine");

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How to know columns and table name whose column size are modified

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I want to know which all columns in the tables are modify
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Step1 :
CREATE TABLE employees
( employee_number number(5) ,
employee_name varchar2(50) ,
department_id number(10)
CREATE TABLE Supplier
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columnname table name
employee_number employees
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How to know columns and table name whose column size are modified
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OWNER                                  VARCHAR2(30)
OBJECT_NAME                             VARCHAR2(128)
SUBOBJECT_NAME                         VARCHAR2(30)
OBJECT_ID                             NUMBER
DATA_OBJECT_ID                         NUMBER
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STATUS                              VARCHAR2(7)
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please give the solution for this without using session and application...
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Message was edited by:
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