Conditional looping. How to check the previous result s of closure?

Similar Questions

• How to check the previous value of the element in a multi-record block

  Oracle Version: 10 g
  Forms Version: 10 g
  
  Hi all
  Hello everyone, I have a multi-dossier block in a form where one of the values of elements is of LOV.user can select the value of LOV.
  
  If once the user selects the value of LOV and moves to the next of the multi-file record, and selects the value of LOV again, I shouldn't allow users to select the previous value of the user in order to avoid duplication of records.
  
  and important remark is that I should get there before you save it in the database because once registered in the database I can compare the values and hide the previous value.
  
  
  Any help will be appreciated.
  
  
  Thanks and greetings

  This is a question frequently asked in the forum! There are several different solutions. Take a look at the following articles. Both will perform the necessary verification of duplicates.
  Forms - registration of treatment group (value in double check...
  or
  Avoid records duplicated in a block

  If none of these solutions don't work for you, search the forum for other options.

  Hope this helps,
  Craig B-)

  If someone useful or appropriate, please mark accordingly.

• How to check the previous records on a select

  I have a query that returns the data as follows

  COL1     COL2     WK_DATE     INDICATOR
  2     2     01/16/2010     A
  0     0     01/16/2010     
  0     0     01/16/2010     
  1     1     11/06/2010     B
  0     0     11/06/2010     
  0     0     11/06/2010     
  1     1     11/20/2010     C
  0     0     11/20/2010     
  0     0     11/20/2010     
  2     2     05/12/2012     C
  2     2     05/12/2012     A
  3     3     05/12/2012     B

  But the data set is incomplete, as I could not fill indicator on null values
  Could you please let me know the service which will be useful for this condition
  
  ALL I NEED IS JUST TO BRING THE ABSENT ON THAT PARTICULAR DATE INDICATOR
  
  The expected output is

  COL1     COL2     WK_DATE     INDICATOR
  2     2     01/16/2010     A
  0     0     01/16/2010     B
  0     0     01/16/2010     B
  1     1     11/06/2010     B
  0     0     11/06/2010     A
  0     0     11/06/2010     C
  1     1     11/20/2010     C
  0     0     11/20/2010     B
  0     0     11/20/2010     A
  2     2     05/12/2012     C
  2     2     05/12/2012     A
  3     3     05/12/2012     B

  Thank you

  user12236189 wrote:
  Thanks, I got it lag and partition by with a nested query

  There is no need of LAG. Just change the nested table:

  select  nvl(b.COL1,0) as COL1,
          nvl(b.COL2,0) as COL2,
          b.WK_DATE,
          a.Column_Value Indicator
    from      table(sys.odciVarchar2List('A','B','C')) a
          Left Join
              (
               select  COL1,
                       COL2,
                       WK_DATE,
                       Indicator
                 from  data_table
              ) b
            partition by (b.WK_DATE)
            on (b.Indicator = a.Column_Value)
    order by b.WK_DATE,
             b.Indicator,
             a.Column_Value
  /
  

  Now:

  SQL> with data_table as (
    2                      select 2 col1,2 col2,to_date('01/16/2010','mm/dd/yyyy') wk_date,'A' indicator from dual union all
    3                      select 1,1,to_date('11/06/2010','mm/dd/yyyy'),'B' from dual union all
    4                      select 1,1,to_date('11/20/2010','mm/dd/yyyy'),'C' from dual union all
    5                      select 2,2,to_date('05/12/2012','mm/dd/yyyy'),'C' from dual union all
    6                      select 2,2,to_date('05/12/2012','mm/dd/yyyy'),'A' from dual union all
    7                      select 3,3,to_date('05/12/2012','mm/dd/yyyy'),'B' from dual
    8                     )
    9  select  nvl(b.COL1,0) as COL1,
   10          nvl(b.COL2,0) as COL2,
   11          b.WK_DATE,
   12          a.Column_Value Indicator
   13    from      table(sys.odciVarchar2List('A','B','C')) a
   14          Left Join
   15              (
   16               select  COL1,
   17                       COL2,
   18                       WK_DATE,
   19                       Indicator
   20                 from  data_table
   21              ) b
   22            partition by (b.WK_DATE)
   23            on (b.Indicator = a.Column_Value)
   24    order by b.WK_DATE,
   25             b.Indicator,
   26             a.Column_Value
   27  /
  
        COL1       COL2 WK_DATE   INDICATOR
  ---------- ---------- --------- ----------
           2          2 16-JAN-10 A
           0          0 16-JAN-10 B
           0          0 16-JAN-10 C
           1          1 06-NOV-10 B
           0          0 06-NOV-10 A
           0          0 06-NOV-10 C
           1          1 20-NOV-10 C
           0          0 20-NOV-10 A
           0          0 20-NOV-10 B
           2          2 12-MAY-12 A
           3          3 12-MAY-12 B
  
        COL1       COL2 WK_DATE   INDICATOR
  ---------- ---------- --------- ----------
           2          2 12-MAY-12 C
  
  12 rows selected.
  
  SQL> 
  

  SY.

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  Thanks in advance.
  Mano

  Mano,

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       END LOOP;
  

  Kind regards

  Manu.

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