Retrieve by using the TYPE attribute of the element type VArray

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  option of command, escape on the keyboard and then on the force quit button for all applications listed

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• Retrieve by using the backup control file

  Hello

  I was reading a book called Pro Oracle Database Administration by Darl Kuhn. There, under the theme of "The valuation of the loss of all control files", noted that all data files and control files are restored from a backup, because if we do not restore the data files the RCS in control files would be lower than the data in these scenarios files. Since online redo logs and archived newspapers is applied to the data files to roll forward in a current consistent state and does not roll forward to a control file.

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  If we do not restore the data files, the RCS in control files would be lower than the data files. Since online redo logs and archived newspapers is applied to the data files to roll forward in a current consistent state and does not roll forward to a control file.

  It would be incorrect you have determined. You can only restore the control files. You can manually create a control file and always do the restore.

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  The control file is updated as well.

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• How to use the elements in the array

  Hi, I am trying to automate a questionnaire using table.

  In the compositionReady for the scene

  SYM. Actual = 0;

  sym.arr = ['Hi', 'Love', 'You'] / / this is my picture of the issue.

  sym.checkArr = function() { / / this function I use to check the issue table whis I'll use.}

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  Help, please!

  Thank you =)

  Hello

  chino_10 wrote:

  at the outbreak of timeline you why did you use a local variable?

  It is advisable to use local variables when possible. The quest variable apply only to this trigger, and it will not be postponed to another trigger in the same timeline. So when you use a trigger to set the HTML for a text element in the same timeline, I find cleaner to assign a new value of a local variable HTML.

  chino_10 wrote:

  and if you call the 'real' global variable of Manager compositionReady of why didn' there you call him with all the way like ' sym.getComposition () .getStage (invested) ++; '?

  I think I have didn't express it as clearly as I could have. When you declare sym.actual in compositionReady, you actually declared a variable whose scope is the symbol of the main stage - it is not a global variable. To declare a global variable (which is not always recommended), your code in compositionReady would be:

  real = 0;

  This real variable would now be accessible from any element/symbol in the composition simply by assigning a value to the membership. You can see how quickly this could be embarrassing.

  So back to the scope of variables: If you declare a symbol variable using sym.varName, any element in the same scope may call using sym.varName. If your main scenario triggers can call without using the full address of sym.getComposition () .getStage () invested ++. Instead, you can simply use ++ sym.actual. Less code and easier to read. But if you call from another symbol (outside), you need to use the full, addressing the address actually the variable, i.e., sym.getComposition () .getStage () invested ++.

  HTH,

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• Select all the elements in VARRAY

  I am being selected in a table where all IDS are in a VARRAY I populated. I searched online and on the forums and cannot find an answer. Help is greatly appreciated.
  
  E.G.
  
  SELECT ID in BULK COLLECT INTO p_ID_1 FROM tbl_name WHERE contained_by = p_ID;
  v_id_1: = v_id_1();
  
  I'm IN p_id_1.first... p_id_1.Last LOOP
  v_id_1.extend ();
  v_id_1 (v_id_1.Last): = p_id_1 (i);
  END LOOP;
  
  -so far, my VARRAY is filled very well here's where I have a problem:
  
  SELECT the BULK COLLECT INTO p_id_2 FROM table_name_2 WHERE contained_by IN v_naid_1 ID (1);
  
  Everything works fine when I run the query. The problem is I want the query to select where the contained_by (all ELEMENTS in varray). Not only the first. How can I do this? I do "FIRST" thought "FINALLY" somehow? I can't list all the elements because there may be thousands.
  
  Thank you!

  jihuyao wrote:

  (not tested)

  And will not pass the test. First number uses the COUNT method in SQL:

  SQL> declare
    2      v_deptno sys.OdciNumberList := sys.OdciNumberList(10,20);
    3      v_empno sys.OdciNumberList;
    4  begin
    5      select empno
    6        bulk collect
    7        into v_empno
    8        from emp
    9        where deptno in (select v_deptno(level) from dual connect by level < v_deptno.count);
   10      for i in 1..v_empno.count loop
   11        dbms_output.put_line(v_empno(i));
   12      end loop;
   13  end;
   14  /
        where deptno in (select v_deptno(level) from dual connect by level < v_deptno.count);
                                                                             *
  ERROR at line 9:
  ORA-06550: line 9, column 76:
  PL/SQL: ORA-00904: "V_DEPTNO"."COUNT": invalid identifier
  ORA-06550: line 5, column 5:
  PL/SQL: SQL Statement ignored
  

  This one is easy to fix. But while you'll get:

  SQL> declare
    2      v_deptno sys.OdciNumberList := sys.OdciNumberList(10,20);
    3      v_empno sys.OdciNumberList;
    4      v_cnt number;
    5  begin
    6      v_cnt := v_deptno.count;
    7      select empno
    8        bulk collect
    9        into v_empno
   10        from emp
   11        where deptno in (select v_deptno(level) from dual connect by level < v_cnt);
   12      for i in 1..v_empno.count loop
   13        dbms_output.put_line(v_empno(i));
   14      end loop;
   15  end;
   16  /
  declare
  *
  ERROR at line 1:
  ORA-06532: Subscript outside of limit
  ORA-06512: at line 7
  

  Why? The binding occurs before execution. Mandatory if v_deptno (level) will try to assess the level BEFORE the time of execution and therefore level is not set. Currently (this may change in the next version) before executing Oracle treats level 0, then you could try level + 1. This will not throw an error, but you will get incorrect results:

  SQL> declare
    2      v_deptno sys.OdciNumberList := sys.OdciNumberList(10,20);
    3      v_empno sys.OdciNumberList;
    4      v_cnt number;
    5  begin
    6      v_cnt := v_deptno.count;
    7      select empno
    8        bulk collect
    9        into v_empno
   10        from emp
   11        where deptno in (select v_deptno(level + 1) from dual connect by level < v_cnt);
   12      for i in 1..v_empno.count loop
   13        dbms_output.put_line(v_empno(i));
   14      end loop;
   15  end;
   16  /
  7782
  7839
  7934
  
  PL/SQL procedure successfully completed.
  
  SQL> 
  

  As you can see everything we returned is deptno = 10 employees. Why? Because it does not an affair occurs just before the execution, but is also a TIME. That is why the subquery:

  Select v_deptno from dual connect by level (level + 1)<>

  produces two rows with the same value of v_deptno (0 + 1).

  Hope you got the image.

  SY.

• image shows not when you use the element type image display

  Hi all

  My table has a blob column containing images

  However, they are not displayed

  I have a type of image screen called P6_DISPLAY_IMAGE, its source is a db column called PRODUCT_IMAGE

  I think I did everything correctly

  Please take a look at apex.oracle.com:

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  login/password: demo/demo

  application: 78396 test voor Bernd

  page: 6 (just click on the products in the menu bar and click on the first column)

  as you can see, the display of the image (bottom) remains empty

  any help would be appreciated

  KR

  Martin

  Martijnke wrote:

  My table has a blob column containing images

  However, they are not displayed

  I have a type of image screen called P6_DISPLAY_IMAGE, its source is a db column called PRODUCT_IMAGE

  I think I did everything correctly

  Please take a look at apex.oracle.com:

  workspace: martijnke

  login/password: demo/demo

  application: 78396 test voor Bernd

  page: 6 (just click on the products in the menu bar and click on the first column)

  as you can see, the display of the image (bottom) remains empty

  Thanks for making the effort to demonstrate the problem.

  It seems to be nothing more complicated than missing data. Run this query showed that there is no data in the BLOB column for all rows:

  select product_id, product_name, dbms_lob.getlength(product_image) from apa$nf_products
  

  I downloaded an image of the product of the belt and it seems to work fine.

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