How can rewrite the query statement effectively

Similar Questions

• How to rewrite the sql statement?

  Hello my query goes like this:
  
  Select a, b, c
  from (select 5A, b null, null double c
  Union of all the
  Select null, 4, the double null
  Union of all the
  Select 10, 3, double null) test_tab;
  
  and I want to get the result
  
  5 null null
  null null 4
  10 null null
  3 null null
  
  How can I rewrite the query without changing the structure of a table?
  
  Kind regards
  Igor

  Hello

  A way

  select a, null b, null c from test_tab where a is not null
  union all
  select null, b, null from test_tab where b is not null
  union all
  select null, null, c from test_tab where c is not null
  

  Concerning
  Anurag

• How to rewrite the query without inline query

  Hello people,
  I have this request trying to rewrite with a single outer join. As previously with the inline its taking too much time (one day). I was wondering if this is how I rewrite. Thanks to a bouquet. I know there must be indexed on the event.
  

  original :
  select e.event_id,
         EVENT_STATUS_CODE,
         EVENT_TYPE_CODE,
         c.client_code,
         trunc(DATE_EXTRACTED),
         trunc(DATE_SUBMITTED),
         trunc(CLS.DATE_RETURNED),
         trunc(DATE_TYPED),
         trunc(REJECT_DATE),
         SUM_BILLED "bill_ttl",
         SUM_PAID,
         SUM_AMOUNT "Recoveries",
         trunc(DATE_OF_INCIDENT),
         recspec.USER_REAL_NAME,
         recspec.LEVEL_B_CODE,
         trunc(STAGE_CREATED_DATE),
         REJECT_CODE,
         ISO_ERROR
    FROM EVENT E, 
         CLIENT C, 
         MV_RECOVERYDET_EVENT_SUM MV_R,
         CLS_SEND CLS,
         MV_BILLDETAIL_EVENT_SUM MV_BDE,
         (SELECT EVENT_ID, USER_REAL_NAME, LEVEL_B_CODE
            FROM END_USER EU, EVENT_END_USER EEU
           WHERE EEU.END_USER_ID = EU.END_USER_ID
             AND OWNER_FLAG = 'Y') recspec
  WHERE E.EVENT_ID = MV_R.EVENT_ID(+)
     AND E.EVENT_ID = MV_BDE.EVENT_ID(+)
     AND E.EVENT_ID = recspec.EVENT_ID(+) 
     AND E.EVENT_ID = CLS.EVENT_ID(+)
     AND E.CLIENT_ID = C.CLIENT_ID
      AND E.CLIENT_ID = '1078';
  
  
  After rewritting
  
  select e.event_id,
         EVENT_STATUS_CODE,
         EVENT_TYPE_CODE,
         c.client_code,
         trunc(DATE_EXTRACTED),
         trunc(DATE_SUBMITTED),
         trunc(CLS.DATE_RETURNED),
         trunc(DATE_TYPED),
         trunc(REJECT_DATE),
         SUM_BILLED "bill_ttl",
         SUM_PAID,
         SUM_AMOUNT "Recoveries",
         trunc(DATE_OF_INCIDENT),
         EU.USER_REAL_NAME,
        EU.LEVEL_B_CODE,
         EU.USER_REAL_NAME,
         EU.LEVEL_B_CODE,
         trunc(STAGE_CREATED_DATE),
         REJECT_CODE,
         ISO_ERROR
    FROM EVENT E, 
         CLIENT C, 
         MV_RECOVERYDET_EVENT_SUM MV_R,
         CLS_SEND CLS,
         MV_BILLDETAIL_EVENT_SUM MV_BDE,
          END_USER EU, EVENT_END_USER EEU
        
  WHERE E.EVENT_ID = MV_R.EVENT_ID(+)
     AND E.EVENT_ID = MV_BDE.EVENT_ID(+)
     --AND E.EVENT_ID = recspec.EVENT_ID(+) 
     AND E.EVENT_ID = CLS.EVENT_ID(+)
     AND E.CLIENT_ID = C.CLIENT_ID
     AND 
            EEU.END_USER_ID = EU.END_USER_ID
            AND EEU.EVENT_ID(+) = E.EVENT_ID
             AND OWNER_FLAG = 'Y'
      AND E.CLIENT_ID = '1078';
  
  ?

  Published by: user11961230 on May 2, 2012 12:28

  PX stuff, it's just the 'pipes' oracle uses to divide your table into pieces and the pieces of transformation. You don't have much control that beyond doing Oracle use parallel queries or not. I guess that you can specify a degree, but this isn't your problem, anyway. But if you're curious, PX is mentioned here. http://docs.Oracle.com/CD/B12037_01/server.101/b10752/ex_plan.htm

  Using index becomes a little more complicated with outer joins, because they return the rows that do not match the table conduct. If the index will be useful on the tables of conduct. It is possible to what I was looking to take advantage of the index because each row of the table is returned to the outer join. If you want to limit who then you need some sort of filter condition and an index on that column filter would be useful.

  Published by: watch on 2 may 2012 17:20

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  You can get a simple app for 19.99 USD per month.

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• How can I create a scroll effect when the manuscripts of user to the bottom of the image will be blurred?

  How can I create a scroll effect when the manuscripts of user to the bottom of the image will be blurred?

  Hello

  You can create a scrolling movement where the image fade out the scroll, you must use the tab opacity under the effects of scroll Panel.

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• Rewrite the query with joins, and group by

  Hello
  
  It's an interview question.
  
  Table names: bookshelf_checkout
  virtual library
  
  And the join condition between these two tables is title
  
  We need to rewrite under request without using the join condition and group by clause?
  
  

  SELECT b.title,max(bc.returned_date - bc.checkout_date) "Most Days Out"
             FROM bookshelf_checkout bc,bookshelf b
             WHERE bc.title(+)=b.title
             GROUP BY b.title;

  When I was in College, I read most of SELECT statements can be replaced by operations base SQL (DEFINE the OPERATORS). Now, I am rewriting the query with SET operators, but not able to get the exact result.
  
  Kindly help me on this.
  
  Thank you
  Suri

  Something like that?

    1  WITH books AS (
    2  SELECT 'title 1' title FROM dual UNION ALL
    3  SELECT 'title 2' FROM dual UNION ALL
    4  SELECT 'title 3' FROM dual ),
    5  bookshelf AS (
    6  SELECT 'title 1' title, DATE '2012-05-01' checkout_date, DATE '2012-05-15' returned_date FROM dual UNION ALL
    7  SELECT 'title 1' title, DATE '2012-05-16' checkout_date, DATE '2012-05-20' returned_date FROM dual UNION ALL
    8  SELECT 'title 2' title, DATE '2012-04-01' checkout_date, DATE '2012-05-15' returned_date FROM dual )
    9  SELECT bs.title, MAX(bs.returned_date - bs.checkout_date) OVER (PARTITION BY title) FROM bookshelf bs
   10  UNION
   11  (SELECT b.title, NULL FROM books b
   12  MINUS
   13* SELECT bs.title, NULL FROM bookshelf bs)
  SQL> /
  
  TITLE   MAX(BS.RETURNED_DATE-BS.CHECKOUT_DATE)OVER(PARTITIONBYTITLE)
  ------- ------------------------------------------------------------
  title 1                                                           14
  title 2                                                           44
  title 3
  

  Lukasz

• How to run the query on load

  Hello
  I have a form based on the table that store only 1 card. I have created a form page, but may not know how to run the query and display the record in the table. If there is no record in the table, I want that the user can use this page to create a record.
  Thanks in advance
  NRI

  Hello Nri,

  What value does P18_SCHOOL_ID?
  If you look at the State of Session (toolbar) developer. If that does not have a value, it's your problem.

  You can create a calculation before the process that gives the correct value. (In one case more often, you have a report and when you click on the link change that id is activated and you see the recording in your form)

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• How to frame the query?

  Uses oracle ebs r12
  
  I have a table of data is
  
  Operation_seq Type statusflag SeqNum
  1 10A Y
  2 20 b Y
  3 30 c Y
  4 40 D Y
  5 50 e N
  6 60 f Y
  
  I want to write a query in which I want to take only 1 record operation_seq = 50 and Statusflag is N and all other interventions seq status is there.
  
  My query must return only 50 operation when the status of 50 is N and any other status is Y.
  
  Help, please.
  
  Thank you
  Lavan

  LAVANKV wrote:
  This statusflag can be (null or N), then how to frame the query.

  Simply wrap the statusflag with NVL column, you should be good.

  SQL> with t
    2  as
    3  (
    4  select 1 seqnum, 10 operation_seq, 'a' type, 'Y' statusflag from dual union all
    5  select 2 seqnum, 20 operation_seq, 'b' type, 'Y' statusflag from dual union all
    6  select 3 seqnum, 30 operation_seq, 'c' type, 'Y' statusflag from dual union all
    7  select 4 seqnum, 40 operation_seq, 'd' type, 'Y' statusflag from dual union all
    8  select 5 seqnum, 50 operation_seq, 'e' type, '' statusflag from dual union all
    9  select 6 seqnum, 60 operation_seq, 'f' type, 'Y' statusflag from dual
   10  )
   11  select seqnum, operation_seq, type, statusflag
   12    from (
   13            select t.*, count(decode(statusflag, 'Y', 1, null)) over() cnt_1, count(*) over() cnt_2
   14              from t
   15         )
   16   where operation_seq = 50
   17     and nvl(statusflag, 'N') = 'N'
   18     and cnt_2-cnt_1 = 1
   19  /
  
      SEQNUM OPERATION_SEQ T S
  ---------- ------------- - -
           5            50 e
  

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  Press and hold the keyboard at the bottom right of the keyboard icon. A window pop up that will have two options - Split and the Dock. Click on the option to dock alongside re your keyboard at the bottom of the screen.

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  Something's happened awhile and when I create a folder which appears the first column is the column 'Date modified '. By default, how can return the first column 'Name' without having to move it manually every time?

  Hello

  I suggest you to visit these links and check if it helps:

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• How can set the background color of the status bar?

  Quote from the old forum:

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• 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

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