Multiple dynamic repository variable using one initialization block

I am trying to declare three dynamic repository variables var1, var2, var3. I want to have only one intialization block for all three.
The point I am confused at is when declaring vraibles, I can normally do
select x, y, z from table where expr1=expr2
and then x, y, z can give values to my three variables.
But in the above case the query is selecting three different things (different columns) from the same row in the database.
But in my case I want to select the same column from different rows.
for example
var1 will be
select x from table where expr1=expr2
var2
select x from table where expr1=expr3
and var 3
select x from table where expr1=expr4
1. Is it possible to do that.
2. Is it possible to dynamically name a dynamic repository varibale?
I use OBIEE-11g
Thank you
Edited by: user6287828 on Jan 26, 2012 9:41 AM

Hi,
I think the primary advantage of WITH clause is to resolve complex sub queries (I am sorry, I am mistaken here). But as per my readings and the BI Server too generating queries using WITH clauses, I think this is an optimized option to choose from in your case (I think there might be other queries too that can get your requirement solved though).
You may want to refer to http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:524736300346304074 for some info. The database experts say the usage is case-by-case and hence probably in your case if you want to populate 20 variables at one shot you in BI using this kind of query, you have to further evaluate the time taken by the sql etc or break it down again.
However, I think this certainly is an option here.
Hope this helps.
Thank you,
Dhar

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