Model stopclass bug or limitation?

Similar Questions

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  Can someone explain the reason why this case?

  Very strange...

  See attached example

  Please see discussion of Greg McKaskle to epsilon for an explanation of what you see.

  Ben

• Foreign key constraint, not recognized during the synchronization of data with the model dictionary

  Hello

  Data Modeler is a foreign key constraints do not recognize when synchronizing data with the model dictionary, although the foreign key is there (in the database that a data dictionary is read). I can't find any criterion when a foreign key is not recognized by the Data Modeler. Are there limits to the length of the attribute, or the number of columns in a foreign key, or other limitations which may lead to this behavior not to recognize a fk by Data Modeler? I have columns more than 32 characters. I compared with the fk is recognized by DM, but I can't find anything that indicates why it is not recognized.

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  Hi Robert,.

  Thanks for the comments, I logged a bug.

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• Unable to apply the model of WLAN to the controller through WCS

  Unable to apply the model of WLAN to the controller through WCS

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• not an expression GROUP BY - bug in Oracle 10 g?

  Hello
  I'm 00979. 00000 - "not a GROUP BY expression" error on Oracle 10g 10.2.0.4.0 - Production 64-bit.
  
  To illustrate my problem, I have created following the example.
  Think I have a shop with clothes. Whenever I sell something, I store this information in the database - storage in real time, type of clothing (pants, socks,...) and the size of the room (M, L, XL,...).
  Now, the system account statistics every hour. So he's going thru the table with parts sold and counts the number of pieces by clothing type and size from the start of the day. It is important to realize that it is since the beginning of the day. For this reason, the number of pieces sold in the statistical table grows every hour (or is at least on the same value as in the previous hour).
  
  Now, this table, I need to make new statistics. I want a statistic how many pieces by size, I sold every hour.
  I created this application for this:
  

  SELECT TIME, xSIZE, (SOLD  - NVL((SELECT SUM(S1.SOLD)
                                    FROM STATISTICS S1
                                    WHERE S1.xSIZE = S.xSIZE
                                      AND TRUNC(S1.TIME, 'HH24') + 1/24 = S.TIME
                                      AND TO_CHAR(S1.TIME, 'HH24') != '23'
                                      AND S1.xSIZE IS NOT NULL
                                    GROUP BY TRUNC(S1.TIME, 'HH24'), S1.xSIZE),0)) SOLD
  FROM(
  
  
  SELECT TRUNC(S.TIME, 'HH24') TIME, S.xSIZE, SUM(S.SOLD) SOLD
  FROM STATISTICS S
  WHERE S.xSIZE IS NOT NULL
  GROUP BY TRUNC(S.TIME, 'HH24'), S.xSIZE
  --ORDER BY 1 DESC
  ) S
  ORDER BY TIME DESC, xSIZE ASC

  First I select the number of pieces sold by time and by size. To get the number of pieces sold for specific time, I need to subtract the value of number of pieces sold of the previous hour. I decided to do it with a parameter query.
  Runs the query like this I don't get "a GROUP BY expression" error. However, if I Uncomment 'ORDER BY DESC of 1' statement, the query works. I'm sure that he must do something with this line:
  AND TRUNC (S1. TIME, 'HH24') + 1/24 = S.TIME
  
  If you change the query like this:
  

  SELECT TIME, xSIZE, (SOLD  - NVL((SELECT SUM(S1.SOLD)
                                    FROM STATISTICS S1
                                    WHERE S1.xSIZE = S.xSIZE
                                      --AND TRUNC(S1.TIME, 'HH24') + 1/24 = S.TIME
                                      AND TO_CHAR(S1.TIME, 'HH24') != '23'
                                      AND S1.xSIZE IS NOT NULL
                                    GROUP BY  S1.xSIZE),0)) SOLD
  FROM(
  
  SELECT TRUNC(S.TIME, 'HH24') TIME, S.xSIZE, SUM(S.SOLD) SOLD
  FROM STATISTICS S
  WHERE S.xSIZE IS NOT NULL
  GROUP BY TRUNC(S.TIME, 'HH24'), S.xSIZE
  --ORDER BY 1 DESC
  ) S
  ORDER BY TIME DESC, xSIZE ASC

  Join the removed occasionally truncated tables and grouping truncated at the time--> the query does not lack...
  And now the best... If you run the first query on Oracle 11 g (11.1.0.6.0 - 64 bit Production version), it works.
  Anyone know why the first query does not work on 10g? Are there bugs and limitations for this version of server?
  Please don't tell me to rewrite the query in a different way, I already did, to make it work on 10g more. I'm just curious as to why it does not work on 10g.
  
  Finally, here are some data for the test.
  

  CREATE TABLE STATISTICS(
    TIME DATE DEFAULT SYSDATE,
    TYPE VARCHAR2(20),
    xSIZE VARCHAR2(2),
    SOLD NUMBER(5,0) DEFAULT 0
  )
  
  
  INSERT INTO STATISTICS(TIME, TYPE, xSIZE, SOLD) VALUES(SYSDATE - 2/24, 'T-Shirt', 'M', 10);
  INSERT INTO STATISTICS(TIME, TYPE, xSIZE, SOLD) VALUES(SYSDATE - 2/24, 'Socks', 'M', 3);
  INSERT INTO STATISTICS(TIME, TYPE, xSIZE, SOLD) VALUES(SYSDATE - 2/24, 'T-Shirt', 'L', 1);
  INSERT INTO STATISTICS(TIME, TYPE, xSIZE, SOLD) VALUES(SYSDATE - 2/24, 'Socks', 'L', 50);
  INSERT INTO STATISTICS(TIME, TYPE, xSIZE, SOLD) VALUES(SYSDATE - 2/24, 'Trousers', 'XL', 7);
  INSERT INTO STATISTICS(TIME, TYPE, xSIZE, SOLD) VALUES(SYSDATE - 2/24, 'Socks', 'XL', 3);
  
  
  INSERT INTO STATISTICS(TIME, TYPE, xSIZE, SOLD) VALUES(SYSDATE - 1/24, 'T-Shirt', 'M', 13);
  INSERT INTO STATISTICS(TIME, TYPE, xSIZE, SOLD) VALUES(SYSDATE - 1/24, 'Socks', 'L', 60);
  INSERT INTO STATISTICS(TIME, TYPE, xSIZE, SOLD) VALUES(SYSDATE - 1/24, 'Trousers', 'XL', 15);
  INSERT INTO STATISTICS(TIME, TYPE, xSIZE, SOLD) VALUES(SYSDATE - 1/24, 'Socks', 'XL', 6);

  Edited by: user12047225 the 20.9.2011 23:12
  
  Edited by: user12047225 the 20.9.2011 23:45

  This is a known issue when the optimizer decides to expand the online display. You can add something (outside of ORDER BY you already used) in online mode to prevent the optimizer from its expansion. For example:

  SQL> SELECT  TIME,
    2          xSIZE,
    3          (SOLD - NVL(
    4                      (
    5                       SELECT  SUM(S1.SOLD)
    6                         FROM  STATISTICS S1
    7                         WHERE S1.xSIZE = S.xSIZE
    8                           AND TRUNC(S1.TIME, 'HH24') + 1/24 = S.TIME
    9                           AND TO_CHAR(S1.TIME, 'HH24') != '23'
   10                           AND S1.xSIZE IS NOT NULL
   11                           GROUP BY TRUNC(S1.TIME, 'HH24'),
   12                                    S1.xSIZE
   13                      ),
   14                      0
   15                     )
   16          ) SOLD
   17    FROM  (
   18           SELECT  TRUNC(S.TIME, 'HH24') TIME,
   19                   S.xSIZE,
   20                   SUM(S.SOLD) SOLD
   21             FROM  STATISTICS S
   22             WHERE S.xSIZE IS NOT NULL
   23             GROUP BY TRUNC(S.TIME, 'HH24'),
   24                      S.xSIZE
   25           --ORDER BY 1 DESC
   26          ) S
   27    ORDER BY TIME DESC,
   28             xSIZE ASC
   29  /
           SELECT  TRUNC(S.TIME, 'HH24') TIME,
                         *
  ERROR at line 18:
  ORA-00979: not a GROUP BY expression
  
  SQL> SELECT  TIME,
    2          xSIZE,
    3          (SOLD - NVL(
    4                      (
    5                       SELECT  SUM(S1.SOLD)
    6                         FROM  STATISTICS S1
    7                         WHERE S1.xSIZE = S.xSIZE
    8                           AND TRUNC(S1.TIME, 'HH24') + 1/24 = S.TIME
    9                           AND TO_CHAR(S1.TIME, 'HH24') != '23'
   10                           AND S1.xSIZE IS NOT NULL
   11                           GROUP BY TRUNC(S1.TIME, 'HH24'),
   12                                    S1.xSIZE
   13                      ),
   14                      0
   15                     )
   16          ) SOLD
   17    FROM  (
   18           SELECT  TRUNC(S.TIME, 'HH24') TIME,
   19                   S.xSIZE,
   20                   SUM(S.SOLD) SOLD,
   21                   ROW_NUMBER() OVER(ORDER BY SUM(S.SOLD)) RN
   22             FROM  STATISTICS S
   23             WHERE S.xSIZE IS NOT NULL
   24             GROUP BY TRUNC(S.TIME, 'HH24'),
   25                      S.xSIZE
   26           --ORDER BY 1 DESC
   27          ) S
   28    ORDER BY TIME DESC,
   29             xSIZE ASC
   30  /
  
  TIME      XS       SOLD
  --------- -- ----------
  20-SEP-11 L           9
  20-SEP-11 M           0
  20-SEP-11 XL         11
  20-SEP-11 L          51
  20-SEP-11 M          13
  20-SEP-11 XL         10
  
  6 rows selected.
  
  SQL> 
  

  Or use the subquery factoring (WITH clause) + undocumented hint of MATERIALIZATION:

  SQL> WITH S AS (
    2             SELECT  /*+ MATERIALIZE */ TRUNC(S.TIME, 'HH24') TIME,
    3                     S.xSIZE,
    4                     SUM(S.SOLD) SOLD
    5               FROM  STATISTICS S
    6               WHERE S.xSIZE IS NOT NULL
    7               GROUP BY TRUNC(S.TIME, 'HH24'),
    8                        S.xSIZE
    9             --ORDER BY 1 DESC
   10            )
   11  SELECT  TIME,
   12          xSIZE,
   13          (SOLD - NVL(
   14                      (
   15                       SELECT  SUM(S1.SOLD)
   16                         FROM  STATISTICS S1
   17                         WHERE S1.xSIZE = S.xSIZE
   18                           AND TRUNC(S1.TIME, 'HH24') + 1/24 = S.TIME
   19                           AND TO_CHAR(S1.TIME, 'HH24') != '23'
   20                           AND S1.xSIZE IS NOT NULL
   21                           GROUP BY TRUNC(S1.TIME, 'HH24'),
   22                                    S1.xSIZE
   23                      ),
   24                      0
   25                     )
   26          ) SOLD
   27    FROM  S
   28    ORDER BY TIME DESC,
   29             xSIZE ASC
   30  /
  
  TIME      XS       SOLD
  --------- -- ----------
  20-SEP-11 L           9
  20-SEP-11 M           0
  20-SEP-11 XL         11
  20-SEP-11 L          51
  20-SEP-11 M          13
  20-SEP-11 XL         10
  
  6 rows selected.
  
  SQL> 
  

  SY.

• Bug in the sorting matrix?

  Here is my code:
  
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  Pavilion a4311f product specification Page
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• Not able to scan several Pages of flat of the large Format HP 7500 printer range

  Impossible to add pages to the document scanned in the glass of a HP Officejet 7500, model 910.  This limits the length of my file scanned on a single page.  Multi-page analysis works by ADF, but this feature apparently not available in glass for tasks such as single file scanning the pages of a book.    I use Windows 7 Home Premium and I'm connected wireless to my computer.  My previous HP scanners had all features of scanning more than a single page starting from the plateau.  Is there a software fix for this problem, or a driver to scan different can be downloaded?

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• E280 V03.01.11A &amp; Micro SD 16 GB memory card

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