RE: Select Query - Help required

From: Aponte, Tony <AponteT_at_hsn.net>
Date: Wed, 31 Jul 2002 09:13:55 -0800
Message-ID: <F001.004A7947.20020731091355@fatcity.com>

I posted an answer on a similar question about 2 weeks ago. The underlying concept is how to pivot a result set. I've attached the thread below.

HTH
Tony Aponte
Home Shopping Network

-----Original Message-----

Sent: Tuesday, July 23, 2002 10:38 AM
To: Multiple recipients of list ORACLE-L

I hope this is not to late for you. Anyway, this questions comes up often. Below is the solution to pivot rows for up to 12 values of field1. Just adjust to fit your range of values.

HTH
Tony Aponte
Home Shopping Network, Inc.

create table tab1 (field1 number,field2 varchar2(30));

insert into tab1 values( 1,'RAM'); 
insert into tab1 values( 1,'SHAM'); 
insert into tab1 values( 1,'PAT'); 
insert into tab1 values( 2,'MAN'); 
insert into tab1 values( 2,'JOHN'); 

commit;

SELECT
g1

,MAX(DECODE(line_no,01,value,NULL)) || 
MAX(DECODE(line_no,02,value,NULL)) || 
MAX(DECODE(line_no,03,value,NULL)) || 
MAX(DECODE(line_no,04,value,NULL)) || 
MAX(DECODE(line_no,05,value,NULL)) || 
MAX(DECODE(line_no,06,value,NULL)) || 
MAX(DECODE(line_no,07,value,NULL)) || 
MAX(DECODE(line_no,08,value,NULL)) || 
MAX(DECODE(line_no,09,value,NULL)) || 
MAX(DECODE(line_no,10,value,NULL)) || 
MAX(DECODE(line_no,11,value,NULL)) || 
MAX(DECODE(line_no,12,value,NULL)) 
FROM (SELECT g1,value,row_number() over(partition by g1 order by g1 nulls last) line_no 

FROM (SELECT field1 g1,field2 value from tab1) )
GROUP BY g1;

G1      MAX(DECODE(LINE_NO,01,VALUE,NU 
1       RAMSHAMPAT 
2       MANJOHN 

-----Original Message-----

[mailto:RShankar1_at_CHN.COGNIZANT.COM]
Sent: Thursday, July 18, 2002 4:35 PM
To: Multiple recipients of list ORACLE-L

Hi Friends,

        I just need a help in a sql . I am having rows in a table as follows

Field1(ID) Field2(NAME)

---

1                 RAM 
1                 SHAM 
1                 PAT 
2                 MAN 
2                 JOHN 

Now i want the output to be as follows

FIELD1 FIELD2

---

1               RAMSHAMPAT 
2               MANJOHN 

In the output i have to show all the names for the same id in a single row. Please help me in getting this output using a SQL query and not through cursors.

Thanks in advance.

Regards,
Shankar

-----Original Message-----

Sent: Monday, July 29, 2002 10:08 AM
To: Multiple recipients of list ORACLE-L

Gurus,

Please read the following problem and help me if you have any solution.

Select product_id from <tname> where id = 2;

Product_ID

---

A
B
C
D

But I want the output as follows:

Select product_id from <tname> where id = 2;

Product ID

---

ABCD. Thanks in advance.

regards,
Karthik

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Author: Aponte, Tony
  INET: AponteT_at_hsn.net

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Received on Wed Jul 31 2002 - 12:13:55 CDT