Re: SQL Query

From: sundeep maini <sundeep_maini_at_yahoo.com>
Date: Thu, 25 Sep 2003 13:59:43 -0800
Message-ID: <F001.005D114E.20030925135943@fatcity.com>

Mike,

Just wanted to supplement your example with another one from my environment:

SELECT c.customer_id

      ,customer_name
      ,utils.code_table_to_string(CAST( MULTISET(
        SELECT distinct dlr_dealer_code
          FROM dealer_customers dc
		       ,dlr_dealer_master_t
         WHERE dc.customer_id = dc_in.customer_id
		   AND dlr_dealer_id = dc.dealer_id
		 ORDER BY dlr_dealer_code
		) AS code_table_t
	  )) spans_these_dealers
 FROM customers c
     ,(
       SELECT customer_id
	     FROM dealer_customers 
		GROUP BY customer_id
		HAVING COUNT(distinct dealer_id) > 1
	  ) dc_in

WHERE dc_in.customer_id = c.customer_id;

Does eseentially the same thing. In this case it concatenates the dealer_codes per customer (identifies customers spanning multiple dealers) on the same row. Here is a sample of the output:

2969473096	Mountain Enterprises Inc	D100,D470,D480
2969473121	K C Construction	B010,B150,B190
2969473195	GOODFELLOW BROS	H140,H330

• Mike Spalinger <Michael.Spalinger_at_Sun.COM> wrote:
  > Imran,
  >
  > Tom Kyte has a thread that might help:
  > http://asktom.oracle.com/pls/ask/f?p=4950:8:1554835115460038644::NO::F4950_P8_DISPLAYID,F4950_P8_CRITERIA:229614022562,
  >
  > Essentially, you can do this:
  >
  > CREATE or replace FUNCTION CONCAT_LIST( cur SYS_REFCURSOR )
  > RETURN VARCHAR2 IS
  > ret VARCHAR2(32000);
  > tmp VARCHAR2(4000);
  > BEGIN
  > loop
  > fetch cur into tmp;
  > exit when cur%NOTFOUND;
  > ret := ret || ' ' || tmp;
  > end loop;
  > RETURN ret;
  > END;
  > /
  >
  > SQL> select * from mike;
  >
  > ID TEXT ORDR
  > ---------- ---------- ----------
  > 1 B 2
  > 1 A 1
  > 1 C 3
  >
  > SELECT id, SUBSTR(CONCAT_LIST(CURSOR(
  > SELECT text
  > FROM (select id, text, ordr from mike order by ordr) ee
  > WHERE e.id = ee.id)),1,40) list
  > FROM ( select distinct id from mike) e;
  >
  > ID LIST
  > ---------- --------------------
  > 1 A B C
  >
  > Mike
  >
  >
  > Imran Ashraf wrote:
  > > Hi,
  > >
  > > I have the following data , table Temp
  > >
  > > ID Text Order
  > > 1 B 2
  > > 1 A 1
  > > 1 C 3
  > >
  > >
  > > I want to write a query which says: wherever there is more than 1
  > occurrence
  > > of ID then concatenate the text in the order specified in the
  > order column.
  > > So i would get:
  > >
  > > ID Text
  > > 1 A B C
  > >
  > > Any suggestions?
  > >
  > > Thanks
  > >
  > > Imran
  >
  >
  > --
  > Please see the official ORACLE-L FAQ: http://www.orafaq.net
  > --
  > Author: Mike Spalinger
  > INET: Michael.Spalinger_at_Sun.COM
  >
  > Fat City Network Services -- 858-538-5051 http://www.fatcity.com
  > San Diego, California -- Mailing list and web hosting
  > services
  >

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Sundeep Maini
Consultant
Currently on Assignement at Caterpillar Peoria sundeep_maini_k_at_cat.com

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-- 
Author: sundeep maini
  INET: sundeep_maini_at_yahoo.com

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Received on Thu Sep 25 2003 - 16:59:43 CDT