How to do the validation to the record level in multi record block.

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• LOBs and how to retrieve the record inserted with EMPTY_BLOb()

  Hi guys
  
  
  How to retrieve the records inserted with EMPTY_BLOb() instead of NULL value.
  
  
  Best greetings
  A.G.

  There must be a better way, but these work:

  SELECT... from tableX where length (lob_column) = 0;
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  Jonathan Lewis
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• How to find the child level for each table in a relational model?

  Earthlings,
  
  I need your help, and I know that, "Yes, we can change." Change this thread to a question answered.
  
  So: How to find the child level for each table in a relational model?
  
  I have a database of relacional (9.2), all right?
  

  .
       O /* This is a child who makes N references to each of the follow N parent tables (here: three), and so on. */
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    join (select child.owner,
                 child.constraint_name fk,
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  Published by: BluShadow on April 1st, 2011 15:08
  formatting of code and hierarchy for readbility

  Have you looked to see if there is a cycle in the graph of dependence? Is there a table that has a foreign key to B and B has a back of A foreign key?

  SQL> create table my_emp (
    2    emp_id number primary key,
    3    emp_name varchar2(10),
    4    manager_id number
    5  );
  
  Table created.
  
  SQL> ed
  Wrote file afiedt.buf
  
    1  create table my_mgr (
    2    manager_id number primary key,
    3    employee_id number references my_emp( emp_id ),
    4    purchasing_authority number
    5* )
  SQL> /
  
  Table created.
  
  SQL> alter table my_emp
    2    add constraint fk_emp_mgr foreign key( manager_id )
    3         references my_mgr( manager_id );
  
  Table altered.
  
  SQL> ed
  Wrote file afiedt.buf
  
    1   select level lvl,
    2          child_table_name,
    3          sys_connect_by_path( child_table_name, '/' ) path
    4     from (select parent.table_name      parent_table_name,
    5                  parent.constraint_name parent_constraint_name,
    6                  child.table_name        child_table_name,
    7                  child.constraint_name   child_constraint_name
    8             from user_constraints parent,
    9                  user_constraints child
   10            where child.constraint_type = 'R'
   11              and parent.constraint_type = 'P'
   12              and child.r_constraint_name = parent.constraint_name
   13           union all
   14           select null,
   15                  null,
   16                  table_name,
   17                  constraint_name
   18             from user_constraints
   19            where constraint_type = 'P')
   20    start with child_table_name = 'MY_EMP'
   21*  connect by prior child_table_name = parent_table_name
  SQL> /
  ERROR:
  ORA-01436: CONNECT BY loop in user data
  

  If you have a cycle, you have some problems.

  (1) it is a NOCYCLE keyword does not cause the error, but that probably requires an Oracle version which is not so far off support. I don't think it was available at the time 9.2 but I don't have anything old enough to test on

  SQL> ed
  Wrote file afiedt.buf
  
    1   select level lvl,
    2          child_table_name,
    3          sys_connect_by_path( child_table_name, '/' ) path
    4     from (select parent.table_name      parent_table_name,
    5                  parent.constraint_name parent_constraint_name,
    6                  child.table_name        child_table_name,
    7                  child.constraint_name   child_constraint_name
    8             from user_constraints parent,
    9                  user_constraints child
   10            where child.constraint_type = 'R'
   11              and parent.constraint_type = 'P'
   12              and child.r_constraint_name = parent.constraint_name
   13           union all
   14           select null,
   15                  null,
   16                  table_name,
   17                  constraint_name
   18             from user_constraints
   19            where constraint_type = 'P')
   20    start with child_table_name = 'MY_EMP'
   21*  connect by nocycle prior child_table_name = parent_table_name
  SQL> /
  
         LVL CHILD_TABLE_NAME               PATH
  ---------- ------------------------------ --------------------
           1 MY_EMP                         /MY_EMP
           2 MY_MGR                         /MY_EMP/MY_MGR
           1 MY_EMP                         /MY_EMP
           2 MY_MGR                         /MY_EMP/MY_MGR
  

  (2) If you try to write on a table and all of its constraints in a file and do it in a valid order, the entire solution is probably wrong. It is impossible, for example, to generate the DDL for MY_EMP and MY_DEPT such as all instructions for a table come first, and all the instructions for the other are generated second. So even if NOCYCLE to avoid the error, you would end up with an invalid DDL script. If that's the problem, I would rethink the approach.

  -Generate the DDL for all tables without constraint
  -Can generate the DDL for all primary key constraints
  -Can generate the DDL for all unique key constraints
  -Can generate the DDL for all foreign key constraints

  This is not solidarity all the DOF for a given in the file object. But the SQL will be radically simpler writing - there will be no need to even look at the dependency graph.

  Justin

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  I have a page called process "insert" "On submit - after calculations" and Validations with the look of PL/SQL codes such as:
  
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• How to delete the record from the classic report?

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  I am currently working in the APEX 4.2.5.

  I did a classic report and I want to click on the link 'delete' to remove the record.

  But how can I do this?

  

  Thanks in advance

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• How to remove the record of termination for a partner who has been rehired

  Hello can someone please advice on the script below:

  Partner hired as an intern on January 30, 2010, associated was called on August 5, 2010

  Now associated hired as full-time on August 7, 2010, and is always used

  Technically associated has been named in the Organization but still worked. It seems that this has been done as dismissal rather than transfer.

  Now, there are affect the associated benefits and plan to leave because of a gap in the last hire date.

  Question: How can I do the related record as if it had never ended? Partner must thus hiring as January 30, 2010 last date and no cancellation after that.

  
  

  #1. If you use a pay-

  If it is for a past period and you run payroll since then, it is not possible.

  When you terminate a person, the assignment gets end date.

  So for this person the first assignment would have dated at the end on August 5, 2010.

  And when you have again hired the person on August 7, 2010, a new assignment with assignment_number XXXX-2 would have been created.

  And everything works payroll would have used the new record of assignment for calculations.

  So the only solution is to change the date of service on the form of the person stopped and use this date for benefits or calculations.

  #2. If you do not pay-

  Then you can cancel the last rental for the person, so the state changes to the former employee.

  And then reverse to end employment.

  This should undo all changes to the person.

  Depending on what you use and how old is the correction, you must make a decision.

  Hope that helps.

  See you soon,.

  Vignesh

• How to insulate the record insertion on a block of other blocks

  Hi all

  I am facing a problem in inserting record on several blocks. Let suppose that there are three blocks A, B and C user is inserting record in the block in the user Meanwhile jumped to block B and inserting record start here and then commit those changes. Inserting record on block B is failed due to validation on block A, where user left between the two and jumped to block B and application form for incomplete registrations. However, on the block B, all elements are validated but still ask to enter data block has.

  It is possible that if the user enter the record in the current block and forms insert record in that block and validate any changes on other blocks. I tried insert_record; integrated into the insert record but did not work. An idea to get out of this situation that I would be grateful.

  Thank you.

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• How to use the record type as a parameter IN PL/SQL procedure or package

  Hi people,

  I need help on the record as the OUT parameter type. I am able to get out a single line as a parameter, but not getting do not idea how to get a multi ranks as output parameter.

  I have the code that works very well for a single line. Please see CODE1.

  But when I try to get several lines, I'm failing to do. Please see the CODE2. I get the error of compilation as

  
  

  Error report:

  ORA-06550: line 11, column 35:

  PLS-00487: Invalid reference to the variable "P_NAME.

  ORA-06550: line 11, column 1:

  PL/SQL: Statement ignored

  06550 00000 - "line %s, column % s:\n%s".

  * Cause: Usually a PL/SQL compilation error.

  Any help or a sample execution of script would be really useful.

  Thanks in advance.

  YZ

  --------------------------CODE1------------------------------------------

  -------------------------Package Spec-------------------------------

  CREATE OR REPLACE

  PACKAGE xx_sample_pkg as

  --

  Xx_sample_table_rectype RECORD TYPE IS

  (p_name varchar2 (40))

  number of p_emp_id

  );

  PROCEDURE xx_sample_prc (xx_sample_rec1, OUT xx_sample_table_rectype);

  END xx_sample_pkg;

  ------------------------------Package Body------------------------

  create or replace

  PACKAGE xx_sample_pkg AS BODY

  --

  PROCEDURE xx_sample_prc (xx_sample_rec1 OUT xx_sample_table_rectype) IS

  BEGIN

  SELECT ename, empno

  IN xx_sample_rec1

  FROM scott.emp

  WHERE ename = 'SMITH ';.

  END xx_sample_prc;

  END xx_sample_pkg;

  -------------------------------------------Execute----------------------

  DECLARE

  l_rec_type xx_sample_pkg.xx_sample_table_rectype;

  BEGIN

  dbms_output.put_line ('xx_sample_prc appeal');

  xx_sample_pkg.xx_sample_prc (l_rec_type);

  dbms_output.put_line ('YZ' | l_rec_type.p_name |') '|| l_rec_type.p_emp_id);

  END;

  ---------------------------------------------------------------

  -------------------------CODE2-------------------------------------------

  -------------------------Package Spec-------------------------------

  CREATE OR REPLACE

  PACKAGE xx_sample_pkg as

  --

  Xx_sample_table_rectype RECORD TYPE IS

  (p_name varchar2 (40))

  number of p_emp_id

  );

  PROCEDURE xx_sample_prc (xx_sample_rec1, OUT xx_sample_table_rectype);

  END xx_sample_pkg;

  ------------------------------Package Body------------------------

  create or replace

  PACKAGE xx_sample_pkg AS BODY

  --

  PROCEDURE xx_sample_prc (xx_sample_rec1 OUT xx_sample_table_rectype) IS

  BEGIN

  SELECT ename, empno

  IN xx_sample_rec1

  FROM scott.emp;

  END xx_sample_prc;

  END xx_sample_pkg;

  -------------------------------------------Execute----------------------

  DECLARE

  l_rec_type xx_sample_pkg.xx_sample_table_rectype;

  BEGIN

  dbms_output.put_line ('xx_sample_prc appeal');

  xx_sample_pkg.xx_sample_prc (l_rec_type);

  for l_rec in 1.l_rec_type.p_name.count

  loop

  dbms_output.put_line ('YZ' | l_rec_type.p_name (l_rec) |) » '|| l_rec_type.p_emp_id (l_rec));

  end loop;

  end;

  ---------------------------------------------------------------

  bb8c573a-6ca3-4d7c-90ed-e55c2df67201 wrote:

  But now, my question would be why the record type could not be used? My understanding is missing some concept between use of type type array collection record vs. Please specify.

  Do not confuse the folder with the collection.

  SY.

• How to display the records from a query in the non-base data field

  Hello
  
  I have a problem:
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  I create 3 settings: datai,: dataf and: partner and a button with a trigger when the button is pressed.
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  open cursor X1;
  
  loop
  
  If :System.Record_status != 'NEW' then
  
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  End if;
  
  fetch X1 into :a1,:b1,:c1,:d1,:e1,:f1;
  
  Exit when X1%NOTFOUND;
  
  end loop;
  
  close X1;
  
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• How to view the records per page 4

  Hello.
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  .     .          .        |     .          .      .
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  .     .          .        |     .          .      .
  .     .               .        |     .               .      .
  .     ..............        |     ..............         .
  .                          |                        .
  .---------------------------------------------------.
  .                          |                        .
  .     ..............        |     ..............         .
  .     .          .        |     .          .      .
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  Hello
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• How to share the record group between 2 forms

  Hi all
  
  Some might guide me how to send one record group to another form and how it is received
  
  programmaticaly
  
  any help or advice, that I enjoyed
  
  Thank you

  Hello
  Little late but was not on the development computer.
  In fact the data you are trying to recover also ensure the data type. I mean if you retrieve DIGITAL data record group for the first column you use fld_1 , you must have to use the built-in GET_GROUP_NUMBER_CELL . Like this..

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  BEGIN
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  BEGIN
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    IF NOT id_null(rg_id) THEN
      :ctrl.text_item8 := GET_GROUP_CHAR_CELL('my_rg.fld_1', 1);
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  DECLARE
    rg_id recordgroup;
  BEGIN
    rg_id := FIND_GROUP('my_rg');
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      :ctrl.text_item8 := GET_GROUP_DATE_CELL('my_rg.fld_1', 1);
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  So, in you case I think the department_id data type is numeric in the database, and you use GET_GROUP_CHAR_CELL which will not work. Use the first one I showed you for numeric values.

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  Hi all
  
  I want to lock the selected records in the time of the query. Let's say I want to lock the records in the Employee table. And I have a block of the base table (no view on screen) the employee and one table from another base block (display fields: Department code and the name of the Department, situation, number of employees on the screen) which is a summary of records selected in the Employee table.
  
  Now, I want to lock the records in the Employee table when run query so that some backend process cannot 'touch' the annals which are already displayed on the screen.
  
  I tried to put the ' SELECT '1' IN v_dummy FROM EMPLOYEE WHERE update_user =: B_CONTROL.c_user FOR UPDATE NOWAIT ' under the block trigger 'On-Lock' of base table. Then go to SQL * MORE to update the employee record. However, I can update the record successfully. This isn't my expected result.
  So, how can I lock the record in the form? Any suggestion? Please help and thank you all for advice.
  
  I use Oracle 10 g 10g 2 formula.
  
  Thank you.
  
  Kind regards.

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  Hello
  
  How initialize the recorder in jsp ?
  
  I tried:
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  .. but it throws error:
  Recorder cannot be resolved to a type Logger...
  
  Is another way to do this?
  
  Kind regards
  N....
  
  Published by: m.m. December 2, 2009 03:54

  Add these lines:

  <%@ page import="com.thortech.util.logging.Logger" %>

  < %="">< br="">Logger logger = Logger.getLogger ("XELLERATE"); < br=""> logger.warn ("* text sample *"); < br=""> %>