How to store the result of a query in a variable in the data model

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  As user sys:

  CREATE OR REPLACE DIRECTORY TEST_DIR AS '\tmp\myfiles'
  /
  GRANT READ, WRITE ON DIRECTORY TEST_DIR TO myuser
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  As myuser:

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                                       ,p_header_file IN VARCHAR2
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    v_v_val     VARCHAR2(4000);
    v_n_val     NUMBER;
    v_d_val     DATE;
    v_ret       NUMBER;
    c           NUMBER;
    d           NUMBER;
    col_cnt     INTEGER;
    f           BOOLEAN;
    rec_tab     DBMS_SQL.DESC_TAB;
    col_num     NUMBER;
    v_fh        UTL_FILE.FILE_TYPE;
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    LOOP
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        WHEN 1 THEN DBMS_SQL.DEFINE_COLUMN(c,j,v_v_val,2000);
        WHEN 2 THEN DBMS_SQL.DEFINE_COLUMN(c,j,v_n_val);
        WHEN 12 THEN DBMS_SQL.DEFINE_COLUMN(c,j,v_d_val);
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      END CASE;
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    v_fh := UTL_FILE.FOPEN(upper(p_dir),p_header_file,'w',32767);
    FOR j in 1..col_cnt
    LOOP
      v_finaltxt := ltrim(v_finaltxt||','||lower(rec_tab(j).col_name),',');
    END LOOP;
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    UTL_FILE.PUT_LINE(v_fh, v_finaltxt);
    IF NOT v_samefile THEN
      UTL_FILE.FCLOSE(v_fh);
    END IF;
    --
    -- This part outputs the DATA
    IF NOT v_samefile THEN
      v_fh := UTL_FILE.FOPEN(upper(p_dir),p_data_file,'w',32767);
    END IF;
    LOOP
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      v_finaltxt := NULL;
      FOR j in 1..col_cnt
      LOOP
        CASE rec_tab(j).col_type
          WHEN 1 THEN DBMS_SQL.COLUMN_VALUE(c,j,v_v_val);
                      v_finaltxt := ltrim(v_finaltxt||',"'||v_v_val||'"',',');
          WHEN 2 THEN DBMS_SQL.COLUMN_VALUE(c,j,v_n_val);
                      v_finaltxt := ltrim(v_finaltxt||','||v_n_val,',');
          WHEN 12 THEN DBMS_SQL.COLUMN_VALUE(c,j,v_d_val);
                      v_finaltxt := ltrim(v_finaltxt||','||to_char(v_d_val,'DD/MM/YYYY HH24:MI:SS'),',');
        ELSE
          v_finaltxt := ltrim(v_finaltxt||',"'||v_v_val||'"',',');
        END CASE;
      END LOOP;
    --  DBMS_OUTPUT.PUT_LINE(v_finaltxt);
      UTL_FILE.PUT_LINE(v_fh, v_finaltxt);
    END LOOP;
    UTL_FILE.FCLOSE(v_fh);
    DBMS_SQL.CLOSE_CURSOR(c);
  END;
  

  This allows the header line and the data to write into files separate if necessary.

  for example

  SQL> exec run_query('select * from emp','TEST_DIR','output.txt');
  
  PL/SQL procedure successfully completed.
  

  Output.txt file contains:

  empno,ename,job,mgr,hiredate,sal,comm,deptno
  7369,"SMITH","CLERK",7902,17/12/1980 00:00:00,800,,20
  7499,"ALLEN","SALESMAN",7698,20/02/1981 00:00:00,1600,300,30
  7521,"WARD","SALESMAN",7698,22/02/1981 00:00:00,1250,500,30
  7566,"JONES","MANAGER",7839,02/04/1981 00:00:00,2975,,20
  7654,"MARTIN","SALESMAN",7698,28/09/1981 00:00:00,1250,1400,30
  7698,"BLAKE","MANAGER",7839,01/05/1981 00:00:00,2850,,30
  7782,"CLARK","MANAGER",7839,09/06/1981 00:00:00,2450,,10
  7788,"SCOTT","ANALYST",7566,19/04/1987 00:00:00,3000,,20
  7839,"KING","PRESIDENT",,17/11/1981 00:00:00,5000,,10
  7844,"TURNER","SALESMAN",7698,08/09/1981 00:00:00,1500,0,30
  7876,"ADAMS","CLERK",7788,23/05/1987 00:00:00,1100,,20
  7900,"JAMES","CLERK",7698,03/12/1981 00:00:00,950,,30
  7902,"FORD","ANALYST",7566,03/12/1981 00:00:00,3000,,20
  7934,"MILLER","CLERK",7782,23/01/1982 00:00:00,1300,,10
  

  The procedure allows for the header and the data to separate files if necessary. Just by specifying the file name "header" will put the header and the data in a single file.

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  T

  SAL

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  Stéphane

  Hello

  Always tell what version of Oracle you are using, especially if it's so old.

  In Oracle 10 (or 9, by the way) you can do this way:

  WITH cntr AS

  (

  SELECT LEVEL AS n

  OF the double

  CONNECT BY LEVEL<=>

  )

  got_change_date AS

  (

  SELECT d.eno

  C.n

  WHEN 1 THEN f

  ANOTHER t + 1

  END AS change_date

  C.n

  WHEN 1 THEN 1

  OF ANOTHER-1

  END as mul

  sal

  BY a10 d

  CROSS JOIN cntr c

  -WHERE... - If you need any filtering, put it here

  )

  got_total_sal AS

  (

  SELECT eno

  change_date f

  Advance (change_date) OVER (PARTITION BY eno

  ORDER BY change_date

  ) - 1 AS t

  SUM (sal * mul) over (PARTITION BY eno

  ORDER BY change_date

  ) AS total_sal

  OF got_change_date

  )

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  OF got_total_sal

  WHERE t IS NOT NULL

  ORDER BY eno, f

  ;

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  I want to know how data sample get updates that is used in the reports to bi publisher data model?
  
  Thanks in advance
  Vishal

  Hello

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  I have a need to change the column to a column of varchar by OBIEE...
  
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  Hi all
  
  How to recover the data, if it has some special characters.
  
  examples of data

   
                         NO                Name
                           1                 J-O-H-N
                            2                 J*O*H*N
                            3                  JOHN BOSCO
                           4                  JOHN   K
             

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  Kind regards
  Rajasekhar

  You can also use TRANSLATE to get rid of the unwanted characters:

  SQL> with samples as (select 'J-O-H-N' c from dual union all
    2                   select 'J*O*H*N' c from dual union all
    3                   select 'J!O!H!N' c from dual union all
    4                   select 'JOHN BOSCO' c from dual union all
    5                   select 'JOHN   K' c from dual
    6                  )
    7  select *
    8  from   samples
    9  where  upper(translate(c, 'X-*','X')) like '%JOHN%';
  
  C
  ----------
  J-O-H-N
  J*O*H*N
  JOHN BOSCO
  JOHN   K
  

  Note that I added a line to your test data which failed the test voluntarily.