Converting rows to columns using dynamic query.

I am trying to use the below code that I founnd on the web to conver rows to columns. the reason that I want to use dynamic query is that the number of rows are not know and changes.
declare
    lv_sql varchar2(32767) := null ;
begin
    lv_sql := 'SELECT Iplineno ';
    for lv_rec in (SELECT distinct vendor from bidtabs where letting = '10021200' and call ='021')
    loop
        lv_sql :=   lv_sql
                    || CHR(10)
                    || ', MAX( DECODE( vendor, '
                    || chr(39)
                    || lv_rec.vendor
                    || CHR(39)
                    || ', bidprice, NULL ) ) as "'
                    || lv_rec.vendor
                    || '" ' ;
    end loop;
    lv_sql :=   lv_sql
                || CHR(10)
                || 'FROM bidtabs where letting = ''10021200'' and call = ''021'' and lineflag = ''L'' '
                || CHR(10)
                || 'GROUP BY iplineno ;' ;
here is the result
BIDPRICE     CALL     IPLINENO     LETTING     VENDOR
9,585     021     0010     10021200     C0104
1,000     021     0020     10021200     C0104
1,000     021     0030     10021200     C0104
17     021     0040     10021200     C0104
5     021     0050     10021200     C0104
11,420     021     0010     10021200     K0054
1,100     021     0020     10021200     K0054
1,100     021     0030     10021200     K0054
5     021     0040     10021200     K0054
3     021     0050     10021200     K0054
8,010     021     0010     10021200     V070
900     021     0020     10021200     V070
1,320     021     0030     10021200     V070
11     021     0040     10021200     V070
3     021     0050     10021200     V070
and here is the desired output
CALL     IPLINENO     LETTING      C0104              K0054              V070
021     0010     10021200      9,585                     11,420                                   8,010
021     0020     10021200      1,000       1,100     900
021     0030     10021200      1,000     1,100     1,320
021     0040     10021200       17     5     11
021     0050     10021200      5     3     3

Here is the error message I am getting:
RA-06550: line 22, column 43:
PLS-00103: Encountered the symbol "end-of-file" when expecting one of the following:
begin case declare end exception exit for goto if loop mod
null pragma raise return select update while with
<an identifier> <a double-quoted delimited-identifier>
<a bind variable> << close current delete fetch lock insert
open rollback savepoint set sql execute commit forall merge
pipe

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Converting rows to columns using t-sql

Hi All,
I have a table with 3 columns, let say ID1 , ID2, Flag
My Source data looks like this..
ID1    ID2       Flag
1         1            0
1         2            0
1         3            0
2         7            0
2         8            1
2         9            0
4         5            0
Now My output should look like this..
ID1     Newcol1     NewFlag1     Newcol2     NewFlag2   Newcol3    NewFlag3
1           1                    0
2                   0                3
0
2           7                    0
    8                   1                9
0
4           5                    0
null             null            null              null
Basically I want to convert rows to columns and to get above output I need t-SQL query.
Thanks in advance
RH
sql

You can do it by this query:
declare @table table ( ID1 int, ID2 int, Flag int)
insert @table values ( 1,1,0 ),( 1,2,0 ),( 1,3,0 ),( 2,7,0 ),( 2,8,1 ),( 2,9,0 ),( 4,5,0 )
WITH cte1
AS ( SELECT Id1 ,
ROW_NUMBER() over (partition by ID1 order by ID1 ) as Sequence ,
ID2 ,
Flag
FROM @table
cte2
AS ( SELECT Id1 ,
ColumnTitle + LTRIM(RTRIM(STR(Sequence))) AS ColumnTitle ,
ColumnData
FROM cte1 UNPIVOT ( ColumnData FOR ColumnTitle IN ( [ID2], [Flag] ) ) AS UP
SELECT Id1 ,
[ID21] FirstID2 ,
[Flag1] FirstFlag ,
[ID22] SecondID2 ,
[Flag2] SecondFlag ,
[ID23] ThirdID2 ,
[Flag3] ThirdFlag
FROM cte2 PIVOT ( MAX(ColumnData) FOR ColumnTitle IN ( [ID21],
[Flag1],
[ID22],
[Flag2],
[ID23],
[Flag3] ) ) PV
If you want to know more detail, please visit my old article about this method:
T-SQL: PIVOT Ordered pair Columns
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Rows ino Columns using BEX query

I got DSO with declaration records. Every declaration can have several versions, say:
DECLR_ID VERSION   AMNT
1111                 01         1000
1111                 02         1100
1111                 03         1500
1112                 01         5000
1112                 02         4999
I need a query to compare final version with corrections (previuos to last versions). The result table must look like this:
DECLR_ID VERSION   CORR_AMNT      FINAL_AMNT        DIFF
1111                 01         1000                     1500                 500
1111                 02         1100                     1500                 400
1112                 01         5000                     4999                   -1
is it possible by query designer to get results like this by not using any InfoSet?

Hi,
There is one possible provided if the version are less,
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Convert rows to columns using t-sql

Hi All,
My source data looks like this..
ID      Name    Rn
1       Sam      1
1       John      2
1       Greg      1
1       Smith     2
1        Aron      1
2       Brad       1
2       Kevin      2
2       Alex        1
2       Jeff          2
I need t-sql to get below output..Put Name into two columns, When Rn=1 Then Name1, When Rn=2 Then Name2.
ID      Name1    Rn1 Name2    Rn2
1       Sam      1       John     2
1       Greg       1     Smith     2
1       Aron        1       null      null
2       Brad        1       Kevin     2
2       Alex         1       Jeff       2
Thanks!
sql

to achieve this you need to have either 1. some unique key that can refer rn=1 and 2 for each person in each group or 2 . identity value column where, row number are enforce order of rn=1 and rn=2
Vinay''s solution works until you have do not have last name for one row but have some data for the same group id
like :
INSERT INTO #temp1(ID,Name,Rn) VALUES (1,'Sam',1)
INSERT INTO #temp1(ID,Name,Rn) VALUES (1,'John',2)
INSERT INTO #temp1(ID,Name,Rn) VALUES (1,'Greg',1)
INSERT INTO #temp1(ID,Name,Rn) VALUES (1,'Smith',2)
INSERT INTO #temp1(ID,Name,Rn) VALUES (1,'Aron',1)
INSERT INTO #temp1(ID,Name,Rn) VALUES (1,'newfirstname',1)
INSERT INTO #temp1(ID,Name,Rn) VALUES (1,'wronglastname',2)
INSERT INTO #temp1(ID,Name,Rn) VALUES (2,'Brad',1)
INSERT INTO #temp1(ID,Name,Rn) VALUES (2,'Kevin',2)
INSERT INTO #temp1(ID,Name,Rn) VALUES (2,'Alex',1)
INSERT INTO #temp1(ID,Name,Rn) VALUES (2,'Jeff',2)
this would work but as said you need some key to identify uniquely.
create table #Tmp (no int identity(1,1),ID int,Name varchar(20),Rn int)
insert into #Tmp
values
(1,'Sam',1),
(1,'John',2),
(1,'Greg',1),
(1,'Smith',2),
(1,'Aron',1),
(2,'Brad',1),
(2,'Kevin',2),
(2,'Alex',1),
(2,'Jeff',2)
Select distinct A.ID,A.Name,A.RN,B.NAme,B.Rn
from(
(select A.ID,A.Name,A.RN,A.no from #tmp A where A.rn=1) A FULL OUTER JOIN
(select A.ID,A.Name,A.RN,A.no from #tmp A where A.rn=2) B on a.ID=B.id and A.no=B.no-1)
drop table #tmp
Hope it Helps!!

Finding minimum value in each row using dynamic query

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Hi All,
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Dear frank,
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It's working fine for static cases.If the first column is dynamic then how come i will resolve it.
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Hi All,
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How to convert rows into column

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http://www.oracle.com/technology/oramag/code/tips2004/050304.html
-- dropping the sample table if exists
drop table rowstocol
-- create sample table
create table rowstocol ( name varchar2(20));
-- Inserting rows into sample table
insert into rowstocol values('Amit Zhankar');
insert into rowstocol values('Piyu Yawalkar');
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insert into rowstocol values('Ashish Ghelani');
insert into rowstocol values('Aditi Zhankar');
insert into rowstocol values('Tom Kyte');
insert into rowstocol values('Oracle');
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-- The following query uses just the tablename (whose data is to be converted) and name of the column (which is to be converted).
-- Example taken here is table rowstocol, column name.
SELECT cc
FROM (select decode(rn ,1 ,'Select ',null) ||' MAX (CASE WHEN dr = '|| rownum||' THEN DECODE (rn,1, col1) END) '||
decode(rn,maxr,' col1 from ','||'||chr(39)||','||chr(39)||'|| ') cc,rn,maxr
from (SELECT ROWNUM rn,count(0) over() maxr FROM rowstocol) order by rn) trows
union all
select '(SELECT tabs.col1, DENSE_RANK () OVER (ORDER BY col1,rowid) dr,dense_rank() OVER (order by 1) rn
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-- Replace table rowstocol by your table, column name by your column.
CC
Select MAX (CASE WHEN dr = 1 THEN DECODE (rn,1, col1) END) ||','||
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How to convert rows into columns with decode function

Hi,
How to convert rows into columns with the help of decode function in oracle.
thanks and regards
P Prakash

say
col1 col2
1 10
2 20
3 30
then use
select col1,
sum(decode(col2,10,10)) "new1"
sum(decode(col2,20,20))"new2"
sum(decode(col2,30,30))"new3"
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Qwerty wrote:
see below for rows to column case
SQL> WITH t as
2      (
3       SELECT 'US' test_string FROM DUAL UNION
4       SELECT 'AMERICA' FROM DUAL UNION
5       SELECT'HOLLYWOOD' FROM DUAL UNION
6       SELECT 'WASHINGTON' FROM DUAL
7      )
8      select ltrim (sys_connect_by_path(test_string,','),',') test_string
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11       FROM t)
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AMERICA,HOLLYWOOD,US,WASHINGTONI hope you can do it for column to rows now.That's not really rows to columns. That's rows to a column, which is more commonly called string aggregation.
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SQL> ed
Wrote file afiedt.buf
1 WITH t as
2       (
3        SELECT 'US' test_string FROM DUAL UNION
4        SELECT 'AMERICA' FROM DUAL UNION
5        SELECT'HOLLYWOOD' FROM DUAL UNION
6        SELECT 'WASHINGTON' FROM DUAL
7       )
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11        ,max(decode(rn,3,test_string)) as col_3
12        ,max(decode(rn,4,test_string)) as col_4
13* from (select test_string, row_number() over (order by test_string) as rn from t)
SQL> /
COL_1      COL_2      COL_3      COL_4
AMERICA    HOLLYWOOD US         WASHINGTON
SQL>And columns to rows (or unpivot) is like:
SQL> ed
Wrote file afiedt.buf
1 WITH t as
2       (
3        SELECT 'US' col_1, 'AMERICA' col_2, 'HOLLYWOOD' col_3, 'WASHINGTON' col_4 FROM DUAL
4       )
5 --
6 select col_1 as col from t union all
7 select col_2 from t union all
8 select col_3 from t union all
9* select col_4 from t
SQL> /
COL
US
AMERICA
HOLLYWOOD
WASHINGTONor...
SQL> ed
Wrote file afiedt.buf
1 WITH t as
2       (
3        SELECT 'US' col_1, 'AMERICA' col_2, 'HOLLYWOOD' col_3, 'WASHINGTON' col_4 FROM DUAL
4       )
5 --
6 select decode(rownum,1,col_1,2,col_2,3,col_3,4,col_4) as col
7* from t, (select * from dual connect by rownum <= 4)
SQL> /
COL
US
AMERICA
HOLLYWOOD
WASHINGTON
SQL>

Select Statement - How do i convert rows to columns

Hi, i need your help please.
i have three options: A, B, C in table T_OPTIONS (not more and not less, it is always 3)
no i can assign articles to this option.
Article 1, 2, 3, 4
in the table it looks like this
ARTICLE_ID T_OPTIONS
1    A
1    B
2    C
3    A
3    C
But now i want to have a select statement which convert rows to columns, it has to look like this
ARTICLE A B C
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2     x
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Edited by: Dila on 02.08.2012 01:52
Edited by: Dila on 02.08.2012 01:53

Dila wrote:
Hi, i need your help please.
i have three options: A, B, C in table T_OPTIONS (not more and not less, it is always 3)
no i can assign articles to this option.
Article 1, 2, 3, 4
in the table it looks like this
ARTICLE_ID T_OPTIONS
1    A
1    B
2    C
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3    C
But now i want to have a select statement which convert rows to columns, it has to look like this
ARTICLE A B C
1     x x
2     x
3     x x
Can you help me!?
Edited by: Dila on 02.08.2012 01:52
Edited by: Dila on 02.08.2012 01:53Read {message:id=9360002} and {message:id=9360005}
SQL> ed
Wrote file afiedt.buf
1 with sample_data as
2 (
3 select 1 ARTICLE_ID,'A' T_OPTIONS from dual union all
4 select 1, 'B' from dual union all
5 select 2, 'C' from dual union all
6 select 3, 'A' from dual union all
7 select 3, 'C' from dual
8 )
9   select article_id,
10         decode(sum(case
11                      when t_options = 'A' then 1
12                      else 0
13                    end), 0, null,
14                          'X') A,
15         decode(sum(case
16                      when t_options = 'B' then 1
17                      else 0
18                    end), 0, null,
19                          'X') B,
20         decode(sum(case
21                      when t_options = 'C' then 1
22                      else 0
23                    end), 0, null,
24                          'X') C
25 from   sample_data
26* group by article_id
SQL> /
ARTICLE_ID A B C
         1 X X
         2     X
         3 X   X

Converting rows to columns using dynamic query.

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