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

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 in a single query? No Union only please...

  Hello

  I have a series of about 18 queries that find charges in many scenarios. I wanted to have a single query to do this. which displays the result in a single line. Is it possible, I heard analytical functions are good options, but I am new to Oracle. Please help me.

  Select count (*) total_count emp; -100

  Select coun (*) MGR_count emp where job = "MGR" - 10

  Select count (*) dept_count emp where deptno in (10,20) - 75

  output...

  ----------

  TOTAL_COUNT MGR_COUNT DEPT_COUNT
  100                                   10             75

  Thank you

  Hello

  Here's one way:

  SELECT COUNT (*) TOTAL

  , COUNTY (CASE job WHEN = END "MGR", 1) AS mgr_count

  , COUNT (CASE WHEN deptno IN (10, 20) THEN 1 END) AS dept_count

  FROM table_x

  ;

  Instead of putting the conditions in a clause WHERE (where they would exclude whole lines), put the conditions in a CASE expression, where they affect only this column.

• ADF: How to print the query and the query passed into the class executeQueryForCollection methof impl VO parameters.

  Hello

  Kindly let me know how to print the query, and the parameters passed to it? I tried with the params parameter in super.executeQueryForCollection (qc, params, noUserParams); but could not succeed.

  I need save the query and the parameters passed to it. Kindly help.

  Thanks in advance,

  Kalpana.

  Here you go

  Coding with Passion: Oracle ADF - Debug Mode object query with parameters

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