PL SQL Date Question

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• Does not not for java.sql.Date sort field

  Hi Experts ADF,

  JDev version 11.1.1.7.0

  I use a POJO based datacontrol, who is dragged like a table on page JSFF. One of the field is a java.sql.Date data type in POJO.

  So for example in the table 4 values are there to this date field as

  2.2.2014

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  And vice-versa.

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  Hi This sorting has been solved by changing of java.util.Date.

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  During playback of Oracle ADF Real World Developer's Guide, I noticed the dates match occurring in JDeveloper is different from what is the list in the book. JDeveloper is failing to oracle.jbo.domain.Date, but according to the book:

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  In general, is it better to use java.sql.Date and java.sql.Timestamp instead of oracle.jbo.domain.Date? Using java.sql.Date and java.sql.Timestamp could save me some headaches conversion date. And, is there a place in JDeveloper to display these maps? I looked around and didn't see anything.

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  User, what version of jdev we are talking about?

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  Hi John,.

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  I created a model of very large data using SQL Developer data 3.0.0.665 and 3.1 EA maker. Its having a lot of check constraints. Whenever I am the design of the fence and the DOF and reopening export to import the DDL file failure to import completely check constraints. It is important to check constraints, but without any range of values inside. Its very frustrating because whenever you open import ddl, you must manually add again all the details of data check range constraint.
  
  OS: Windows XP.
  Check in the two EA Developer SQL Data Modeler 3.0.0.665 and 3.1
  
  -------------------------------------------
  Here are the contents of the .dmd file.
  -------------------------------------------
  * <? XML version = "1.0" encoding = "UTF - 8"? > *.
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  * < createdBy > administrator < / createdBy > *.
  * < Createduserid > 2011-10-17 08:32:18 UTC < / Createduserid > *.
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  -------------------------------------------------------------------------------
  An example how the check constraints to get dirty.
  -------------------------------------------------------------------------------
  Initial check constraint is as below:
  ======================
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  ADD CONSTRAINT Active_Flag_ck
  CHECK (Active_Flag IN ('A', 'I'))
  *;*
  
  Below how it occurs once I have imported the ddl and re-export:
  ============================================
  ALTER TABLE test_table
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  (CHECK)
  *;*
  
  I'm in trouble as I already in the middle of the my development using SQL Developer Data Modeler.
  
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  Jean

  Hi John,.

  Every time I'm fence design and export the ddl and reopening through the import of the DDL file

  Why are you doing this? Once the DDL file is imported and then save the drawing and open simply saved design, no need to generate the DDL and import it every time that you start Modeler data.
  On the list of values - forced as this CHECK (Active_Flag IN ('A', 'I')) are imported as constraint check plain and not as a list of values.
  There are the more specific elements import of check constraint - they are defined as type database constraint that you select during the import. Accordingly if you import your DOF as Oracle 10 g DDL, then you will get forced correct check in DDL generated for Oracle 10 g and Oracle 11 g. Constraint of evil will be generated for Oracle 9i. You can move the constraint for Oracle 9i (in the check constraint dialog box) or generic if it can be treated as such constraint.

  I logged for DOF bad bug.

  Philippe

• java.lang.ClassCastException:String cannot be cast to java.sql.Date

  I have a date component. MinValue named Id2 and the following code is to run a class cast exception indicating that the string value cannot be cast to a date sql
  
  java.sql.Date dateNeeded = (java.sql.Date) this.getId2 () .getValue ();
  
  can someone help me to overcome this problem.
  
  Thanks and greetings
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  Published by: new_to_ORACLE on February 18, 2011 16:56
  
  Published by: new_to_ORACLE on February 18, 2011 16:58

  the Date attribute is of type object oracle.jbo.domain.Date
  so, first try to cast to oracle.jbo.domain.Date. then to java.sql.Date object

  If you need to cast to another Date object, see this site:
  http://www.ecotronics.ch/webdesign/javadate.htm

  Published by: M.Jabr on February 19, 2011 11:53

• pl sql sentence question

  I would like to find records with overlap. 1 GS_PRFM_INDEX_CODE can have 2 MD_ATTR_ID for the same period.
  Within this group of gs_prfm_index_code and md_attr_id, avoid duplication of time.
  
  Please find below the link to the image-
  
  http://LH3.ggpht.com/_xL6eBqjW6Yo/TEMofNIHKXI/AAAAAAAABzo/6pcmrA60yjI/clip_image002.gif
  
  
  I want to filter overlap at the beginning of the record of pl sql date back...
  Please help me.
  
  Thank you.

  Hello

  Try this:

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  )
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  FROM (
   SELECT gsd, start_date, end_date,
          lead(start_date) over(partition by gsd order by start_date) as next_start_date
   FROM sample_table
  )
  WHERE next_start_date BETWEEN start_date AND end_date
  ;
  

  Basically, the innermost query retrieves all columns and calculation date compared to the current beginning of the next record. The outermost query then performs the filtering.
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• Help query SQL Date!

  I'm trying to show the amount of time spent for each TVMREF for the week of October 3, 10 '-October 9, 10'. However, when the value of start_time begins before October 3, 10 ', or the end_time stops after October 9, 10 ', in other words, start_time and end_time span the specified week, the results don't return any time at all. I need to show the elapsed time for each TVMREF for the week in question. How to accomplish this seemingly impossible task?
  
  Example table:
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  700 0 30 - SEPT. - 10 30 - SEPT - 10
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  and a.tvmref < = "800"
  order by 1)
  
  Select
  a.tvmref
  round (sum(seconds/60/60), 2) as hours
  a
  A.tvmref group
  order by 2 desc

  Not exactly what you need, but it looks like:

  with tvmdowntimes as (
                        select 700 tvmref,0 assembly,to_date('30-SEP-10','dd-mon-yy') start_time,to_date('30-SEP-10','dd-mon-yy') end_time from dual union all
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                        select 636,0,to_date('07-OCT-10','dd-mon-yy'),to_date('08-OCT-10','dd-mon-yy') from dual union all
                        select 636,0,to_date('03-OCT-10','dd-mon-yy'),to_date('04-OCT-10','dd-mon-yy') from dual union all
                        select 636,0,to_date('06-OCT-10','dd-mon-yy'),to_date('06-OCT-10','dd-mon-yy') from dual union all
                        select 636,0,to_date('04-OCT-10','dd-mon-yy'),to_date('04-OCT-10','dd-mon-yy') from dual union all
                        select 636,0,to_date('01-OCT-10','dd-mon-yy'),to_date('01-OCT-10','dd-mon-yy') from dual union all
                        select 635,0,to_date('03-OCT-10','dd-mon-yy'),to_date('03-OCT-10','dd-mon-yy') from dual union all
                        select 635,0,to_date('01-OCT-10','dd-mon-yy'),to_date('02-OCT-10','dd-mon-yy') from dual union all
                        select 635,0,to_date('01-OCT-10','dd-mon-yy'),to_date('01-OCT-10','dd-mon-yy') from dual union all
                        select 635,0,to_date('30-SEP-10','dd-mon-yy'),to_date('01-OCT-10','dd-mon-yy') from dual union all
                        select 635,0,to_date('06-OCT-10','dd-mon-yy'),to_date('06-OCT-10','dd-mon-yy') from dual union all
                        select 635,0,to_date('03-OCT-10','dd-mon-yy'),to_date('04-OCT-10','dd-mon-yy') from dual
                       )
  select  a.tvmref,
          sum(
              case
                when a.start_time >= DATE'2010-10-03' and a.start_time <  DATE'2010-10-10'
                  then 86400*(a.end_time-a.start_time)
              end
             ) seconds
    from  tvmdowntimes a
    where a.assembly = 0
      and a.tvmref <= '800'
    group by a.tvmref
    order by 2 desc
  /
  
      TVMREF    SECONDS
  ---------- ----------
         700
         636     172800
         635      86400
  
  SQL> 
  

  SY.