Distinguish the scenario values in ERPI on the basis of the FLAG

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  I have a table with a complete list of April and may 2015 date month and his working days (just for example, I have included only in April and may 2015 data but the table has data for 20 years since 2000).

  Below is the table create and insert scripts for complete data.

  CREATE TABLE dates_dim(day DATE, business_day NUMBER, month NUMBER, day_of_week VARCHAR2 (100));
  
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  Insert into DATES_DIM Values (TO_DATE('05/02/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201505', 'SATURDAY');
  Insert into DATES_DIM Values (TO_DATE('05/03/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201505', 'SUNDAY');
  Insert into DATES_DIM Values (TO_DATE('05/04/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 2, '201505', 'MONDAY');
  Insert into DATES_DIM Values (TO_DATE('05/05/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 3, '201505', 'TUESDAY');
  Insert into DATES_DIM Values (TO_DATE('05/06/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 4, '201505', 'WEDNESDAY');
  Insert into DATES_DIM Values (TO_DATE('05/07/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 5, '201505', 'THURSDAY');
  Insert into DATES_DIM Values (TO_DATE('05/08/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 6, '201505', 'FRIDAY');
  Insert into DATES_DIM Values (TO_DATE('05/09/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201505', 'SATURDAY');
  Insert into DATES_DIM Values (TO_DATE('05/10/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201505', 'SUNDAY');
  Insert into DATES_DIM Values (TO_DATE('05/11/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 7, '201505', 'MONDAY');
  Insert into DATES_DIM Values (TO_DATE('05/12/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 8, '201505', 'TUESDAY');
  Insert into DATES_DIM Values (TO_DATE('05/13/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 9, '201505', 'WEDNESDAY');
  Insert into DATES_DIM Values (TO_DATE('05/14/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 10, '201505', 'THURSDAY');
  Insert into DATES_DIM Values (TO_DATE('05/15/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 11, '201505', 'FRIDAY');
  Insert into DATES_DIM Values (TO_DATE('05/16/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201505', 'SATURDAY');
  Insert into DATES_DIM Values (TO_DATE('05/17/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201505', 'SUNDAY');
  Insert into DATES_DIM Values (TO_DATE('05/18/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 12, '201505', 'MONDAY');
  Insert into DATES_DIM Values (TO_DATE('05/19/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 13, '201505', 'TUESDAY');
  Insert into DATES_DIM Values (TO_DATE('05/20/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 14, '201505', 'WEDNESDAY');
  Insert into DATES_DIM Values (TO_DATE('05/21/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 15, '201505', 'THURSDAY');
  Insert into DATES_DIM Values (TO_DATE('05/22/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 16, '201505', 'FRIDAY');
  Insert into DATES_DIM Values (TO_DATE('05/23/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201505', 'SATURDAY');
  Insert into DATES_DIM Values (TO_DATE('05/24/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201505', 'SUNDAY');
  Insert into DATES_DIM Values (TO_DATE('05/25/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201505', 'MONDAY');
  Insert into DATES_DIM Values (TO_DATE('05/26/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 17, '201505', 'TUESDAY');
  Insert into DATES_DIM Values (TO_DATE('05/27/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 18, '201505', 'WEDNESDAY');
  Insert into DATES_DIM Values (TO_DATE('05/28/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 19, '201505', 'THURSDAY');
  Insert into DATES_DIM Values (TO_DATE('05/29/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 20, '201505', 'FRIDAY');
  Insert into DATES_DIM Values (TO_DATE('05/30/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201505', 'SATURDAY');
  Insert into DATES_DIM Values (TO_DATE('05/31/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201505', 'SUNDAY');
  Insert into DATES_DIM Values (TO_DATE('04/01/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 1, '201504', 'WEDNESDAY');
  Insert into DATES_DIM Values (TO_DATE('04/02/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 2, '201504', 'THURSDAY ');
  Insert into DATES_DIM Values (TO_DATE('04/03/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 3, '201504', 'FRIDAY   ');
  Insert into DATES_DIM Values (TO_DATE('04/04/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201504', 'SATURDAY ');
  Insert into DATES_DIM Values (TO_DATE('04/05/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201504', 'SUNDAY   ');
  Insert into DATES_DIM Values (TO_DATE('04/06/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 4, '201504', 'MONDAY   ');
  Insert into DATES_DIM Values (TO_DATE('04/07/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 5, '201504', 'TUESDAY  ');
  Insert into DATES_DIM Values (TO_DATE('04/08/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 6, '201504', 'WEDNESDAY');
  Insert into DATES_DIM Values (TO_DATE('04/09/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 7, '201504', 'THURSDAY ');
  Insert into DATES_DIM Values (TO_DATE('04/10/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 8, '201504', 'FRIDAY   ');
  Insert into DATES_DIM Values (TO_DATE('04/11/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201504', 'SATURDAY ');
  Insert into DATES_DIM Values (TO_DATE('04/12/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201504', 'SUNDAY   ');
  Insert into DATES_DIM Values (TO_DATE('04/13/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 9, '201504', 'MONDAY   ');
  Insert into DATES_DIM Values (TO_DATE('04/14/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 10, '201504', 'TUESDAY  ');
  Insert into DATES_DIM Values (TO_DATE('04/15/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 11, '201504', 'WEDNESDAY');
  Insert into DATES_DIM Values (TO_DATE('04/16/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 12, '201504', 'THURSDAY ');
  Insert into DATES_DIM Values (TO_DATE('04/17/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 13, '201504', 'FRIDAY   ');
  Insert into DATES_DIM Values (TO_DATE('04/18/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201504', 'SATURDAY ');
  Insert into DATES_DIM Values (TO_DATE('04/19/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201504', 'SUNDAY   ');
  Insert into DATES_DIM Values (TO_DATE('04/20/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 14, '201504', 'MONDAY   ');
  Insert into DATES_DIM Values (TO_DATE('04/21/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 15, '201504', 'TUESDAY  ');
  Insert into DATES_DIM Values (TO_DATE('04/22/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 16, '201504', 'WEDNESDAY');
  Insert into DATES_DIM Values (TO_DATE('04/23/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 17, '201504', 'THURSDAY ');
  Insert into DATES_DIM Values (TO_DATE('04/24/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 18, '201504', 'FRIDAY   ');
  Insert into DATES_DIM Values (TO_DATE('04/25/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201504', 'SATURDAY ');
  Insert into DATES_DIM Values (TO_DATE('04/26/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 0, '201504', 'SUNDAY   ');
  Insert into DATES_DIM Values (TO_DATE('04/27/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 19, '201504', 'MONDAY   ');
  Insert into DATES_DIM Values (TO_DATE('04/28/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 20, '201504', 'TUESDAY  ');
  Insert into DATES_DIM Values (TO_DATE('04/29/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 21, '201504', 'WEDNESDAY');
  Insert into DATES_DIM Values (TO_DATE('04/30/2015 00:00:00', 'MM/DD/YYYY HH24:MI:SS'), 22, '201504', 'THURSDAY ');
  COMMIT;
  

  I'm looking for a select statement that defines the indicator 'Y' for April records months and "n" for records in may for the first 3 days of the request. Here's the difficult thing, the results should vary depending when they run the select query.

  For example:

  Scenario-1: If I run the SQL code may 1st, 2nd, 3rd, 4th, or 5th (with in the first 3 days), FLAG must be set on 'Y' for records in April and "n" for records in May.

  Scenario 2: If I run anywhere between May6th 31, FLAG must be set to ' do for April month and 'Y' for records in May.

  Search results for scenario 1 should look something like this the results of the SQL query below (as I can't keep the complete set of results, I wrote a select query which will give you the expected results if you run the DDL and DML scripts above)

  select day,case when day between '01-APR-2015' and '30-APR-2015' then 'Y' else 'N' end flag from dates_dim;
  

  Results for the scenario-2 should look something like this the results of the SQL query below (as I can't keep the complete set of results, I wrote a select query which will give you the expected results if you run the DDL and DML scripts above)

  select day,case when day between '01-APR-2015' and '30-APR-2015' then 'N' else 'Y' end flag from dates_dim;
  

  Please let me know if it is confusing. Thank you.

  Hello

  Thanks for posting the CREATE TABLE and INSERT statements; It's very helpfu.

  Month article it should really be a DATE, not a NUMBER. This issue (and many others) would be simpler and more effective it was a DATE, rather than a NUMBER, since it must be compared with the DATEs.

  As the month is a NUMBER, do not insert VARCHAR2 values, such as '201505', in it.

  Why is-day_of_week 100 characters?  The longest name in English ("WEDNESDAY") is 9 characters.  Day_name fairer apply in trouble.

  Here's a way to do what you asked:

  DEFINE SYSDATE = "DATE" "2015-05-05.

  DEFINE SYSDATE = "DATE" "2015-05-06.

  WITH got_effective_month AS

  (

  SELECT TO_NUMBER (TO_CHAR (ADD_MONTHS (& SYSDATE

  CASE

  WHEN COUNT (*)<=>

  THEN-1

  0 OTHERWISE

  END

  )

  , "YYYYMM.

  )

  ) AS effective_month

  OF dates_dim

  Day WHERE BETWEEN TRUNC (& SYSDATE, 'MONTH')

  AND & SYSDATE

  AND business_day > 0

  )

  SELECT d.

  CASE

  WHEN month = e.effective_month

  THEN 'Y '.

  ANOTHER "N".

  Flag of the END as the

  OF dates_dim d

  CROSS JOIN e got_effective_month

  ORDER BY d.day

  ;

  I used the proxy & SYSDATE to test.  In Production, you will use the SYSDATE function instead.

  A calendar table, like days_dim, is really a good idea.  You may consider adding a column business_day_count cumulative, a NUMBER that increments of 1 every day business.  To find out how many days passed since any day x (for example, the 1st of this month), you would only need extract the 2 rows in the table: line x and the line today.

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• Selection of records based on the flag

  Hi all
  
  I have records as follows:
  
  Program name Effective_Date Valid_Flag
  N 10/02/2012 ABCD
  N 14/02/2012 ABCD
  ABCD 20/02/2012 Y
  N 01/03/2012 ABCD
  N 10/03/2012 ABCD
  ABCD 14/03/2012 Y
  N 25/03/2012 ABCD
  N 26/03/2012 ABCD
  N 27/03/2012 ABCD
  N 28/03/2012 ABCD
  N 29/03/2012 ABCD
  ABCD 25/04/2012 Y
  
  
  
  I have to write a select statement to keep the first record and then only pull records when the Valid_Flag has changed. The result set should be as below.
  
  Program name Effective_Date Valid_Flag
  ABCD 10/02/2012 N - I kept the first record
  20/02/2012 ABCD is - Valid_Flag chages to a Y for the first time and so on.
  N 01/03/2012 ABCD
  ABCD 14/03/2012 Y
  N 25/03/2012 ABCD
  ABCD 25/04/2012 Y
  
  If there is no change in the flag, I don't have to draw from this record. Please help with suggestions of SQL. Thanks for your time and your help.

  ssk1974 wrote:
  Hi all

  I have records as follows:

  Program name Effective_Date Valid_Flag
  N 10/02/2012 ABCD
  N 14/02/2012 ABCD
  ABCD 20/02/2012 Y
  N 01/03/2012 ABCD
  N 10/03/2012 ABCD
  ABCD 14/03/2012 Y
  N 25/03/2012 ABCD
  N 26/03/2012 ABCD
  N 27/03/2012 ABCD
  N 28/03/2012 ABCD
  N 29/03/2012 ABCD
  ABCD 25/04/2012 Y

  I have to write a select statement to keep the first record and then only pull records when the Valid_Flag has changed. The result set should be as below.

  Program name Effective_Date Valid_Flag
  ABCD 10/02/2012 N - I kept the first record
  20/02/2012 ABCD is - Valid_Flag chages to a Y for the first time and so on.
  N 01/03/2012 ABCD
  ABCD 14/03/2012 Y
  N 25/03/2012 ABCD
  ABCD 25/04/2012 Y

  If there is no change in the flag, I don't have to draw from this record. Please help with suggestions of SQL. Thanks for your time and your help.

  In the future, it would be nice if you could provide the sample data as below, I created.

  ME_XE?with data as
    2  (
    3     select 'ABCD' as col1, to_date('2/10/2012', 'mm/dd/yyyy')       as col2, 'N' as col3    from dual union all
    4     select 'ABCD' as col1, to_date('2/14/2012', 'mm/dd/yyyy')       as col2, 'N' as col3    from dual union all
    5     select 'ABCD' as col1, to_date('2/20/2012', 'mm/dd/yyyy')       as col2, 'Y' as col3    from dual union all
    6     select 'ABCD' as col1, to_date('3/01/2012', 'mm/dd/yyyy')       as col2, 'N' as col3    from dual union all
    7     select 'ABCD' as col1, to_date('3/10/2012', 'mm/dd/yyyy')       as col2, 'N' as col3    from dual union all
    8     select 'ABCD' as col1, to_date('3/14/2012', 'mm/dd/yyyy')       as col2, 'Y' as col3    from dual union all
    9     select 'ABCD' as col1, to_date('3/25/2012', 'mm/dd/yyyy')       as col2, 'N' as col3    from dual union all
   10     select 'ABCD' as col1, to_date('3/26/2012', 'mm/dd/yyyy')       as col2, 'N' as col3    from dual union all
   11     select 'ABCD' as col1, to_date('3/27/2012', 'mm/dd/yyyy')       as col2, 'N' as col3    from dual union all
   12     select 'ABCD' as col1, to_date('3/28/2012', 'mm/dd/yyyy')       as col2, 'N' as col3    from dual union all
   13     select 'ABCD' as col1, to_date('3/29/2012', 'mm/dd/yyyy')       as col2, 'N' as col3    from dual union all
   14     select 'ABCD' as col1, to_date('4/25/2012', 'mm/dd/yyyy')       as col2, 'Y' as col3    from dual
   15  )
   16  select *
   17  from
   18  (
   19     select
   20             col1, col2, col3,
   21             lag(col3) over (partition by col1 order by col2 asc) as last_flag
   22     from data
   23  )
   24  where last_flag    != col3
   25  or    last_flag    is null;
  
  COL1         COL2                       COL LAS
  ------------ -------------------------- --- ---
  ABCD         10-FEB-2012 12 00:00       N
  ABCD         20-FEB-2012 12 00:00       Y   N
  ABCD         01-MAR-2012 12 00:00       N   Y
  ABCD         14-MAR-2012 12 00:00       Y   N
  ABCD         25-MAR-2012 12 00:00       N   Y
  ABCD         25-APR-2012 12 00:00       Y   N
  
  6 rows selected.
  
  Elapsed: 00:00:00.08
  ME_XE?
  

  See you soon,.

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  I wish that my application for manage easily clicks trackball on devices, which provide a special touch to access the menu.  However, I still work on older devices on wheel, which is not a separate menu key.

  To this end, I noticed that I can start by replacing the Screen.trackwheelClick () method.  However, I would like to find a way to tell the difference between the wheel and trackball clicks and do not use magic numbers in my code.

  My own quick test found that the status of trackwheelClick() parameter is different on the two types of devices.  With a 7100t (wheel), its "17039360" and with an 8820 (ball), his "536870912.  If I converted to binary, the two following numbers look quite clean.  However, I prefer to use constant official APIs for my checks in trackwheelClick().

  Any recommendations?

  Hello

  The substitution of Screen.trackwheelClick () is not recommended for various reasons, including the fact that it can be called internally by other events such as the invocation of the menu buttons, etc.

  An elegant way to support/differentiate wheel vs. use of the trackball with a unique construction is to check the instance of the Screen.onMenu () event parameter. On a trackball device this value will be 65536 when it is clicked on the trackball or 1073741824 when the button main menu is used (default = 0 for devices on the wheel). So, you can implement your logic as below. This also has the effect that the menu will also be displayed in the correct location on the display depending on whether you click the main menu button (menu left) vs trackball (context menu, at the bottom) or menu knob (in the top right menu). You can of course replace one of these to the capture and the action just click (by wheel or trackball).

  private final static int MENU_CONTEXT = 65536;
  private final static int MENU_MAIN = 1073741824;
  
  public boolean onMenu(int instance)
  {
       if (instance == MENU_MAIN) //main menu button pressed, display menu bottom left
       {
            super.onMenu(instance);
            return false;
       }
       else if (instance == MENU_CONTEXT) //trackball click (context menu, display bottom) - override here
       {
              return openItem();
       }
       else //trackwheel click, display main menu top right (or override if required)
       {
            super.onMenu(instance);
            return false;
       }
  }
  

  Hope that helps,

  James