Splitting multiple rows onto one row with different fields

Hi all,
I have a table. One Course_Code have multiple section_codes i.e. ("NUM" column does not relate to sectype its just an order!)
Code--------num----Sec_code---Sectype---DESC----------------WEIGHT
1603--------1-------7427-----------C------------Coursework-------- 50
1603--------2-------7428-----------E------------ Exam---------------- 50
When I query this table i want to be able to see the coursework, exam split on the same row. i.e.
Code-----Coursework---------Exam
1603-----C=50------------------E=50
any help would be great

Hi,
"Splitting" means taking an item (such s a string like 'C=50') and diviiding it into smal;ler items (such as the sub-strings 'C' and '50'). Are you really trying to split something, or are you trying to do just the opposite (e.g., combine smaller strings into a bigger string)?
I think what you're looking for is a Pivot . Like so many other things, exactly how to do it depends on your version of Oracle and your requirements.
Here's one way:
SELECT       code
,       MIN (CASE WHEN descr = 'Coursework' THEN sectype END)
       || '='
       MIN (CASE WHEN descr = 'Coursework' THEN weight END)     AS coursework
,       MIN (CASE WHEN descr = 'Exam'       THEN sectype END)
       || '='
       MIN (CASE WHEN descr = 'Exam'           THEN weight END)     AS exam
FROM       table_x
GROUP BY code
;This will work in Oracle 8.1 and higher. Starting in Oracle 11.1, you could also use the SELECT ... PIVOT feature.
I hope this answers your question.
If not, post a little sample data (CREATE TABLE and INSERT statements, relevant columns only) for all tables, and also post the results you want from that data.
Explain, using specific examples, how you get those results from that data.
Always say which version of Oracle you're using.

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I wanted to display the multiple rows in one row but column should be diff

Hi
Could any body help me regarding this query how to write to get the multiple rows in one row.
eg.
i have one table tab1(eno number,ename varchar2,uid1 varchar2,uid2 varchar2,uid3 varchar4)
but when i am runing the query I am getting multiple record against one eno number because of uid1,uid2,uid3
suppose value of table is
eno ename uid1 uid2 uid3
1 a u1
1 a u2
1 a u3
when i am quering it is coming same as above but I want in one row
eno ename uid1 uid2 uid3
1 a u1 u2 u3
can any onle help me how to write the query for this requirement.
thanks
saif

which is hard coded in my code? Here another approach, but fail for c as there is no information for the value of a column: does 1 in u1 means col 1, etc.
/* Formatted on 2012/05/29 16:29 (Formatter Plus v4.8.8) */
WITH t AS
     (SELECT 1 col1, 'a' col2, 'u1' col3
        FROM DUAL
      UNION ALL
      SELECT 1 col1, 'a' col2, 'u2' col3
        FROM DUAL
      UNION ALL
      SELECT 1 col1, 'a' col2, 'u3' col3
        FROM DUAL
      UNION ALL
      SELECT 1 col1, 'b' col2, 'u1' col3
        FROM DUAL
      UNION ALL
      SELECT 1 col1, 'b' col2, 'u3' col3
        FROM DUAL
      UNION ALL
      SELECT 1 col1, 'b' col2, 'u2' col3
        FROM DUAL
      UNION ALL
      SELECT 1 col1, 'c' col2, 'u1' col3
        FROM DUAL
      UNION ALL
      SELECT 1 col1, 'c' col2, 'u3' col3
        FROM DUAL)
SELECT   xx.col1, xx.col2, MAX (DECODE (xx.rn, 1, col3)) AS uid1, MAX (DECODE (xx.rn, 2, col3)) AS uid2,
         MAX (DECODE (xx.rn, 3, col3)) AS uid3
    FROM (SELECT t.col1, t.col2, t.col3, ROW_NUMBER () OVER (PARTITION BY col1, col2 ORDER BY col3) rn
            FROM t) xx
GROUP BY col1, col2;output:
COL1     COL2     UID1     UID2     UID3
1     a     u1     u2     u3
1     b     u1     u2     u3
1     c     u1     u3
Edited by: ʃʃp on May 29, 2012 2:30 AM

How to compare two rows from two table with different data

how to compare two rows from two table with different data
e.g.
Table 1
ID   DESC
1     aaa
2     bbb
3     ccc
Table 2
ID   DESC
1     aaa
2     xxx
3     ccc
Result
2

Create
table tab1(ID
int ,DE char(10))
Create
table tab2(ID
int ,DE char(10))
Insert
into tab1 Values
(1,'aaa')
Insert
into tab1 Values
(2,'bbb')
Insert
into tab1 Values(3,'ccc')
Insert
into tab1 Values(4,'dfe')
Insert
into tab2 Values
(1,'aaa')
Insert
into tab2 Values
(2,'xx')
Insert
into tab2 Values(3,'ccc')
Insert
into tab2 Values(6,'wdr')
SELECT
tab1.ID,tab2.ID
As T2 from tab1
FULL
join tab2 on tab1.ID
= tab2.ID
WHERE
BINARY_CHECKSUM(tab1.ID,tab1.DE)
<> BINARY_CHECKSUM(tab2.ID,tab2.DE)
OR tab1.ID
IS NULL
OR
tab2.ID IS
NULL
ID column considered as a primary Key
Apart from different record,Above query populate missing record in both tables.
Result Set
ID ID
2 2
4 NULL
NULL 6
ganeshk

One Key FIgure in more than one column with different restrictions

Hi,
I am using a key figure in more than one column with different restrictions, but restriction in one column is affecting the result in other column. What shall i do to make it independent from one another??

Hi Pravender Chauhan,
If you want in Single column different value for different Rows based on same Key Figure, you can create Structure where you can define different logic for each row but using same key figure.
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I have searched alot on OTN and many other places, but no where I could get the solution of how can we merge rows into one row but separate column. For example
Consider the below scenario
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"Electronics","2","Pam","VLSI"
"Electronics","3","Tom","C"
"Mech","1","Abu","Thermo"
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Thanks

848265 wrote:
Frank,
I saw your name nearly n number of times, as I went through many forums today... And the link which you have just posted, I went through it today afternoon.
Could you please explain this bit taken from your dynamic pivot post.
SELECT     DISTINCT
     ',     COUNT (CASE WHEN job = '''
||     job
||     ''' '     AS txt1
,     'THEN 1 END)     AS '
||     job
||     '_CNT'     AS txt2
FROM     scott.emp
ORDER BY     txt1;Many Thanks.You only need that when you need column aliases based on the actual data (and you explicitly said you don't need that) or when can't put an upper bound on the number of columns to be displayed. If that doesn't apply to this problem, then don't use any kind of dynamic SQL (like the code above); it makes the job much more difficult, less efficient and less robust.
Here's what the code above is doing.
If you were hard-coding a query that showed the number of people in each job, and you knew that the possible jobs were 'ANALYST', 'CLERK' and 'MANAGER', then you might hard-code a query like this:
SELECT    deptno
,       COUNT (CASE WHEN job = 'ANALYST' THEN 1 END)     AS analyst
,       COUNT (CASE WHEN job = 'CLERK'    THEN 1 END)     AS clerk
,       COUNT (CASE WHEN job = 'MANAGER' THEN 1 END)     AS manager
FROM       scott.emp
GROUP BY deptno
;If the jobs had different names, or if there were not 3 different jobs, then you would have to change the lines in the SELECT clause that start with ", COUNT ( CASE ...".
The code you posted is from an example of dynamic SQL, where you first run a Preliminary Query . (What you posted above is, in fact, the complete preliminary query.) The output of that preliminary query is exactly the variable part of the real query, such as:
,       COUNT (CASE WHEN job = 'ANALYST' THEN 1 END)     AS analyst
,       COUNT (CASE WHEN job = 'CLERK'    THEN 1 END)     AS clerk
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Hi,
what's the name of that analytical function (or connect by) that
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ROW1:   STR1
ROW2:   STR2
ROW3:   STR3
select tadah().... from ...
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Hi,
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The query below produces one row of output per department, containing a list of the employees in that department, in alphabetioc order.
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--     WHERE     ...          -- Any filtering goes here
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        10 ,CLARK
        10 ,CLARK,KING
        10 ,CLARK,KING,MILLER
        20 ,ADAMS
        20 ,ADAMS,FORD
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The query above uses LTRIM to remove the delimiter at the very beginning.
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How to combine many rows into one row

Hi all,
I have a question regarding to how to combine many rows into one row?
My result set is like that:
ITEM_NO NAME1
11 abc
11 cde
11 fg
Want to combine them into
ITEM_NO NAME1
11 abc;cde;fg
would anybody can tell me how to do that? Thanks
Ray

You can check this --
satyaki>
satyaki>
satyaki>create table t
2 as
3      select 11 ITEM_NO, 'abc' NAME1 from dual
4      union all
5      select 11 ITEM_NO, 'cde' NAME1 from dual
6      union all
7      select 11 ITEM_NO, 'fg' NAME1 from dual;
Table created.
satyaki>
satyaki>
satyaki>
satyaki>set lin 10
satyaki>
satyaki>desc t;
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ITEM_NO                    NUMBER
NAME1                      VARCHAR2(3)
satyaki>
satyaki>
satyaki>set lin 1000
satyaki>
satyaki>
satyaki>
satyaki>SELECT ITEM_NO,
2         LTRIM(MAX(SYS_CONNECT_BY_PATH(NAME1,';'))
3         KEEP (DENSE_RANK LAST ORDER BY curr),';') AS NAME1_DET
4 FROM   (SELECT ITEM_NO,
5                 NAME1,
6                 ROW_NUMBER() OVER (PARTITION BY ITEM_NO ORDER BY NAME1) AS curr,
7                 ROW_NUMBER() OVER (PARTITION BY ITEM_NO ORDER BY NAME1) -1 AS prev
8          FROM   t)
9 GROUP BY ITEM_NO
10 CONNECT BY prev = PRIOR curr AND ITEM_NO = PRIOR ITEM_NO
11 START WITH curr = 1;
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Satyaki De.

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How to get multiple records in one row and different column

Hi All,
I am using oracle database 11g
and i have a two tables table_1, table_2
table_1 having columns
emp_no
first_name
middle_name
last_name
email
and table_2 having columns
emp_no
phone_type
phone_number
and having entires
emp_no phone_type phone_number
1001 MOB 9451421452
1001 WEMG 235153654
1001 EMG 652341536
1002 MOB 9987526312
1003 WEMG 5332621456
1004 EMG 59612356
Now i want the output of values with phone type as MOB or WEMG in a single row with different columns
emp_no first_name middle_name last_name email mobile officeno
1001 mark null k [email protected] 9451421452 235153654
1002 john cena gary [email protected] 9987526312 null
1003 dany null craig [email protected] null 5332621456
1004 donald finn sian [email protected] null null
can i have any inputs to achive this???
Regards
$sid

Frank Kulash wrote:
sonething like this:Frank, you missed aggregate function (pivot requires one). However main thing is it will cause ORA-01748:
with table_1 as (
                 select 1001 emp_no,'mark' first_name,null middle_name,'k'last_name,'[email protected]' email from dual union all
                 select 1002,'john','cena','gary','[email protected]' from dual union all
                 select 1003,'dany',null,'craig','[email protected] null' from dual union all
                 select 1004,'donald','finn','sian','[email protected]' from dual
     table_2 as (
                 select 1001 emp_no,'MOB' phone_type,9451421452 phone_number from dual union all
                 select 1001,'WEMG',235153654 from dual union all
                 select 1001,'EMG',652341536 from dual union all
                 select 1002,'MOB',9987526312 from dual union all
                 select 1003,'WEMG',5332621456 from dual union all
                 select 1004,'EMG',59612356 from dual
SELECT     *
FROM     table_1      t1
JOIN     table_2      t2 ON t1.emp_no = t2.emp_no
PIVOT     (    max(t2.phone_number)
     FOR t2.phone_type IN ( 'MOB'   AS mob
                             , 'WEMG' AS wemg
        FOR t2.phone_type IN ( 'MOB'   AS mob
ERROR at line 19:
ORA-01748: only simple column names allowed hereYou need to:
with table_1 as (
                 select 1001 emp_no,'mark' first_name,null middle_name,'k' last_name,'[email protected]' email from dual union all
                 select 1002,'john','cena','gary','[email protected]' from dual union all
                 select 1003,'dany',null,'craig','[email protected] null' from dual union all
                 select 1004,'donald','finn','sian','[email protected]' from dual
     table_2 as (
                 select 1001 emp_no,'MOB' phone_type,9451421452 phone_number from dual union all
                 select 1001,'WEMG',235153654 from dual union all
                 select 1001,'EMG',652341536 from dual union all
                 select 1002,'MOB',9987526312 from dual union all
                 select 1003,'WEMG',5332621456 from dual union all
                 select 1004,'EMG',59612356 from dual
     table_3 as (
                 select t1.emp_no,first_name,middle_name,last_name,email,
                         phone_type,phone_number
                   FROM     table_1      t1
                   LEFT JOIN     table_2      t2 ON t1.emp_no = t2.emp_no
SELECT     *
FROM     table_3
PIVOT     (    max(phone_number)
     FOR phone_type IN ( 'MOB'   AS mob
                             , 'WEMG' AS wemg
    EMP_NO FIRST_ MIDD LAST_ EMAIL                     MOB       WEMG
      1004 donald finn sian [email protected]
      1003 dany        craig [email protected] null            5332621456
      1001 mark        k     [email protected]      9451421452 235153654
      1002 john   cena gary [email protected]    9987526312
SQL>SY.

Splitting multiple rows onto one row with different fields

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