Please help me in corelated subquery

Hi ,
Please help me to correct this query
update remsi.evs_invoice_header a
set INH_PROCESS_STATUS = 'REJECT'
,INH_PROCESS_COMMENT = to_char(nvl(inh_process_comment,'|'))||'INVALID INH_TOT_INVOICE_AMOUNT|'
where INH_TOT_INVOICE_AMOUNT > (
select TOT_PO_AMT - TOT_INV_AMT from (select sum(REQ_TOTAL_AMT) TOT_PO_AMT
from (
select req_total_amt from
citi.requisition
where req_change_req= 'N'
and req_req_no = a.INH_REMS_REQUISITION_NUMBER
and req_big_status_id=164383
union
select req_total_amt
from citi.requisition
where req_change_req ='Y'
and req_parent_id = to_number(a.INH_REMS_REQUISITION_NUMBER)
and req_big_status_id=164383
(select nvl(sum(nvl(INVPO_AMOUNT_APPLIED,0)),0) TOT_INV_AMT
from ( select nvl(invpo_amount_applied,0) invpo_amount_applied
from citi.invoice_po, citi.requisition
where invpo_po_id = req_po_id
and req_change_req= 'N'
and req_req_no = a.inh_rems_requisition_number
and req_big_status_id = 164383
union
select nvl(invpo_amount_applied,0) invpo_amount_applied
from citi.invoice_po , citi.requisition
where invpo_po_id = req_po_id
and req_change_req ='Y'
and req_parent_id = to_number(a.inh_rems_requisition_number)
and req_big_status_id=164383
AND INH_VENDOR_INVOICE_TYPE = 'PROJECTS';

I see what is wrong...
SQL> update remsi.evs_invoice_header a
2 set INH_PROCESS_STATUS = 'REJECT'
3 /
update remsi.evs_invoice_header a
ERROR at line 1:
ORA-00942: table or view does not existI don't have your tables, nor your schema...:)
seriously, just posting a query and say "correct this" without other information...
What's wrong with it? What do your tables look like? What is your db version? what is the requirement?... etc. etc. etc...
post as much detail as you can.

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Error Only one expression can be specified in the expression list when the subquery is not intriduced. Please help

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Hi,
In addition to
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Or this:
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Session altered.
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       - LAG (TO_DATE (start_date)) OVER (PARTITION BY ID ORDER BY TO_DATE
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FROM t
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                                                 1 NEW 02-FEB-07
                                                 1 OLD 04-FEB-07                                                  2
                                                 1 BAD 09-FEB-07                                                  5
                                                 2 NEW 02-FEB-07
                                                 2 BAD 05-FEB-07                                                  3
                                                 2 OLD 07-FEB-07                                                  2
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Need Help in creating a subquery using JOIN operation

Hi,
I am new to SQL and trying to write a query. Please help me in this.
The Database Schema looks like this:
The database scheme consists of four tables:
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PC(code, model, speed, ram, hd, cd, price)
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Alternatively you can refer here for the schema (Computer Firm)
http://www.sql-ex.ru/help/select13.php#db_1
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Which is giving the error "Invalid column name 'model'.". Please help!
Thanks!
Faaz

Hello,
Your query does not work because your subquery prin does not return a column named model.
Analytical functions like Vivek L suggests are the best way to do this, but this one is a correction of your query and should work too (not tested, unfortunately).
SELECT prod.maker, prin2.*
FROM (SELECT MIN(price) AS min_price FROM printer WHERE color = 'y') AS prin
INNER JOIN (SELECT model, price FROM printer WHERE color='y' ) AS prin2 ON prin.min_price = prin2.price
INNER JOIN (SELECT maker, model FROM product) AS prod ON prin2.model = prod.model;Regards,
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This is basically just a UNION ALL (the constraint columns from both schemas)
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I made it a little more complicated so you could see in which schema the column is used. You could use exactly the same approach for your questions 1 and 2 also.
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WHERE NOT EXISTS
(SELECT *
FROM
(SELECT a.column_name,c.constraint_name
FROM dba_cons_columns a
INNER JOIN dba_constraints c ON a.CONSTRAINT_NAME = c.CONSTRAINT_NAME
WHERE a.owner = 'SALIVE' and c.constraint_type = 'R'
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null as SCHEMEPHRASEID ,
null as "Prefered Mode of SOA",
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group by folio_no ,sch_code,CHKDIGIT
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Hi,
You cannot use scalar subqueries in a materialized view.
http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:4110947624538#22981269011674
edit
From 10g doc:
ORA-22818: subquery expressions not allowed here
Cause: An attempt was made to use a subquery expression where these are not supported.
Action: Rewrite the statement without the subquery expression.
(http://download.oracle.com/docs/cd/B19306_01/server.102/b14219/e19400.htm#sthref6020)
Edited by: hoek on Jun 10, 2009 7:56 AM

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hi all,
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"The one that gives you the best performance when benchmarked with your data"
I would ammend that to:
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Hi,
can anyone please give me the clear difference between sub-query and coreleated subquery with an example.
I am very much confused with the both.
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Thanks,

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     public DrawPanel(int w, int h){
          width=(w>=0 ? w : 100);
          height=(h>=0 ? h : 100);
     public void paintComponent(Graphics g){
          super.paintComponent(g);
          switch(currentChoice){
               case 0:     g.drawLine(randomX(), randomY(), randomX(), randomY());
                         break;
               case 1: g.drawRect(randomX(), randomY(), randomX(), randomY());
                         break;
               case 2: g.drawOval(randomX(), randomY(), randomX(), randomY());
                         break;
     public void setCurrentChoice(int c){
          currentChoice=c;
          repaint();
     private int randomX(){
          return (int) (Math.random()*width);
     private int randomY(){
          return (int) (Math.random()*height);
}//end class drawPanel
That one's from a book. I used that code to start with my applet. Mine calls different merthod from the switch cases. Say I have:
case 0: drawStart(g); break;
public void drawStart(Graphics g){
/* something here */
drawMain(g);
public void drawMain(graphics g){
g.drawString("test", x, y);
//here's where i'm trying to pause
//i've tried placing Thread.sleep between these lines
g.drawLine(x, y, a, b);
//Thread.sleep here
g.drawRect(x, y, 50, 70);
}I also need to put delays between method calls but I need to synchronize them. Am I doing it all wrong? The application pauses or sleeps but afterwards, it still drew everything all at once. Thanks a lot!

It is. Sorry about that. Just answer any if you want to. I'd appreciate your help. Sorry again if it caused you anything or whatever. .n_n.

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