How to make the query in a single query? No Union only please...

Similar Questions

• How to make the query more efficient

  Hi all

  I use the following query in my app that works very well. Although I'm not an expert in PL/SQL, can someone please suggest how can I make the query more efficient? Because I use the same contract for every query table. Only difference is that in the name of the condition column. Again I am showing same column comments for each request. I was wondering if I can join these 3 and do 1 single request if possible

  DECLARE
  v_CONTRACTNO varchar2(100);
  v_CHILDCONTRACTNO varchar2(100);
  v_SOURCESYSTEM varchar2(100);
  
  BEGIN
  begin
  SELECT comments
  into v_CONTRACTNO
  from user_col_comments
    where TABLE_NAME = 'CONTRACT'
  and COLUMN_NAME = 'CONTRACTNO';
  end;
  begin
  SELECT comments
  into v_CHILDCONTRACTNO
  from user_col_comments
    where TABLE_NAME = 'CONTRACT'
  and COLUMN_NAME = 'CHILDCONTRACTNO';
  end;
  begin
  SELECT comments
  into v_SOURCESYSTEM
  from user_col_comments
    where TABLE_NAME = 'CONTRACT'
  and COLUMN_NAME = 'SOURCESYSTEM';
  end;
  END;
  

  Thanks in advance...

  Concerning

  Nabila

  Hi, Nabila,

  The nabila Islam wrote:

  Hi all

  I use the following query in my app that works very well. Although I'm not an expert in PL/SQL, can someone please suggest how can I make the query more efficient? Because I use the same contract for every query table. Only difference is that in the name of the condition column. Again I am showing same column comments for each request. I was wondering if I can join these 3 and do 1 single request if possible

  1. DECLARE
  2. v_CONTRACTNO varchar2 (100);
  3. v_CHILDCONTRACTNO varchar2 (100);
  4. v_SOURCESYSTEM varchar2 (100);
  5. BEGIN
  6. Start
  7. SOME comments
  8. in v_CONTRACTNO
  9. of user_col_comments
  10. where TABLE_NAME = 'CONTRACT '.
  11. and COLUMN_NAME = 'CONTRACTNO ';
  12. end;
  13. Start
  14. SOME comments
  15. in v_CHILDCONTRACTNO
  16. of user_col_comments
  17. where TABLE_NAME = 'CONTRACT '.
  18. and COLUMN_NAME = 'CHILDCONTRACTNO ';
  19. end;
  20. Start
  21. SOME comments
  22. in v_SOURCESYSTEM
  23. of user_col_comments
  24. where TABLE_NAME = 'CONTRACT '.
  25. and COLUMN_NAME = 'SOURCESYSTEM ';
  26. end;
  27. END;

  Thanks in advance...

  Concerning

  Nabila

  Of course, you can get all 3 values in a query.  Here's one way:

  SELECT contractno, childcontractno, sourcesystem

  IN v_contractno, v_childcontractno, v_sourcesystem

  Of user_col_comments

  PIVOT (MIN (comments)

  FOR column_name IN ('CONTRACTNO' AS contractno

  'CHILDCONTRACTNO' AS childcontractno

  'SOURCESYSTEM' AS sourcesystem

  )

  )

  WHERE table_name = 'CONTRACT '.

  ;

  But I doubt that it makes things very slow.   If your PL/SQL performance is poor, I suspect that the cause is somewhere that you haven't posted.

• How to make the query AS a parameter inside... ?

  Hello all :)
  
  I want to create the view object, where the query using oracle AS with the value of the parameter inside (variable binding), like this:
  
  SELECT WhLokasi.LOKASI_ID,
  WhLokasi.DESKRIPSI,
  WhLokasi.BARIS_KE,
  WhLokasi.KOLOM_KE,
  WhLokasi.SUBKOLOM_KE
  OF WH_LOKASI WhLokasi
  WHERE AS WhLokasi.DESKRIPSI * 'setting' * AND WhLokasi.BARIS_KE AS * 'parameter. "
  
  someone help me... Please... : d
  
  THX
  agungdmt

  Hi agungdmt,

  You have several options which are all explained in the developersguide.

  First use a bindvariable and encode the LIKE statement in the where clause of your viewObject (Dev Guide Chapter 5.10.1 how to add Variables to link to a definition of view object).
  It also shows an example

  select PERSON_ID, EMAIL, FIRST_NAME, LAST_NAME
  from PERSONS
  where (upper(FIRST_NAME) like upper(:TheName)||'%'
  or upper(LAST_NAME) like upper(:TheName)||'%')
  and PERSON_ID between :LowUserId and :HighUserId
  order by EMAIL
  

  Second option is to create and use named viewCriteria (5.11.1 how to create named view declaratively criteria).

  Third, and I think that this is not what you need at the present time, is to add where clause when executing (5.10.5 How to add a WHERE Clause with named Bind Variables when running)

  If I where you, I would choose the first or second option.

  Good luck

  Luc Bors

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• How to write the query option in expdp

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  where AM columnname between 5 May 12 02:57:00.000' and ' 02:59:59.999 6 May 12: ';
  
  
  Please do what is necessary...

  Pavan Kumar says:
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  query=table_owner.table_2:"where business_date between to_date('20120505025700 am','yyyymmddhhmiss am') and to_date('20120505025959 am','yyyymmddhhmiss am')"
  query=table_owner.table_3:"where business_date between to_date('20120505025700 am','yyyymmddhhmiss am') and to_date('20120505025959 am','yyyymmddhhmiss am')"
  

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