Databse polling without using logical delete or physical delete

Hi all,
Without using logical delete or physical delete how can i poll to the database????
Thanks
Phani

Whatever table are you interested in polling, have a duplicate table for it. Whenever an event (update, delete, insert etc) happens on the source table, fire a trigger to perform that activity in your dup table. Now, from the other tier poll a query for a change. Once the change is consumed clear the dup table.
Hope this help!
Regards,
Yousuf Baig

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How to poll child records using Physical delete

Hi, could anyone please help me how to poll child records using the Physical delete polling strategy?I have one parent table and one child table with foreign key constraint with 'on delete cascade'. I understand that physical delete polling strategy does not poll child records and can be polled by configuring the toplink_mappings.xml. how to confure this file in order to poll the child records.
sample tables are:
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Edited by: Help please on Nov 5, 2009 2:39 PM

Simple solution is to run the query I have given for all child tables or to try a single query for all child tables withj something like:
select <parent_key>
from <parent_table>
where <parent_key> in
 (select <foreign_key_1> from <child_table_1> union
 select <foreign_key_2> from <child_table_2> union
 ... );More complicate solution could be to change the foreign key constraints to cascade DELETE on parent table to child tables:
SQL>
SQL> create table p(x int primary key);
Table created.
SQL> create table c1(x1 int);
Table created.
SQL> create table c2(x2 int);
Table created.
SQL>
SQL> alter table c1 add constraint fk1 foreign key(x1) references p;
Table altered.
SQL> alter table c2 add constraint fk2 foreign key (x2) references p;
Table altered.
SQL>
SQL>
SQL> insert into p values(1);
1 row created.
SQL> insert into c1 values(1);
1 row created.
SQL> insert into c2 values(1);
1 row created.
SQL> commit;
Commit complete.
SQL>
SQL> alter table c1 drop constraint fk1;
Table altered.
SQL> alter table c2 drop constraint fk2;
Table altered.
SQL>
SQL> alter table c1 add constraint fk1 foreign key(x1) references p on delete cascade;
Table altered.
SQL> alter table c2 add constraint fk2 foreign key (x2) references p on delete cascade;
Table altered.
SQL>
SQL> delete p where x=1;
1 row deleted.
SQL> commit;
Commit complete.
SQL> select * from p;
no rows selected
SQL> select * from c1;
no rows selected
SQL> select * from c2;
no rows selected
SQL>Edited by: P. Forstmann on 27 oct. 2011 14:01

DataBase Adapter Rollback option for Logical/Physical Delete in SOA 11g

Hi All,
We have a requirement where we need to rollback the logical delete performed by the DB Adapter (after polling a table) if there is any failure in the process down the line. We are trying to implement this using Mediator or OSB. For example if we are polling a table for changed records and performing logical delete, down the line if the business service (OSB) or the external reference (Mediator) are down/faulted, the records which were logically deleted are not getting rolled back in the table. Would any one please let me know if you have come across the same kind of scenario?
Is there any property we need to set while configuring the polling DB Adapter?
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Thank you very much for the reply Anuj,
I have created a db adapter which polls on a table with logicaldeletestrategy in JDeveloper 11g,
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I made the 3 changes reccommended by Arun but still I am not getting the results.
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picking up the records. Am I missing anything here?
Thank You,
Edited by: user12237005 on Apr 7, 2011 2:17 PM

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Hi All,
I want to create Logical standby database on 11gr2 on RHEL 5 without using oracle Grid Control.
I already have a primary database as well as physical standby database.
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http://download.oracle.com/docs/cd/B19306_01/server.102/b14239/create_ls.htm#SBYDB00300
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NODE_MODULE TYPE REF TO IF_WD_CONTEXT_NODE,
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Hi ,
The onclick event provides you with a standard paramater "CONTEXT_ELEMENT" which has the element from which the event is triggered.
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CONTEXT_ELEMENT TYPE REF TO IF_WD_CONTEXT_ELEMENT an importing paramater.
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Hello friends,
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=============================================================
REPORT ZK_TEST2                                .
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T_XKNAS       LIKE     FKNAS occurs 0,
T_XKNB5     LIKE     FKNB5 occurs 0,
T_XKNBK     LIKE     FKNBK occurs 0,
T_XKNVA     LIKE     FKNVA occurs 0,
T_XKNVD     LIKE     FKNVD occurs 0,
T_XKNVI     LIKE     FKNVI occurs 0,
T_XKNVK     LIKE     FKNVK occurs 0,
T_XKNVL     LIKE     FKNVL occurs 0,
T_XKNVP     LIKE     FKNVP occurs 0 with header line,
T_XKNVS     LIKE     FKNVS occurs 0,
T_XKNEX     LIKE     FKNEX occurs 0,
T_XKNZA     LIKE     FKNZA occurs 0,
T_YKNAS     LIKE     FKNAS occurs 0,
T_YKNB5     LIKE     FKNB5 occurs 0,
T_YKNBK     LIKE     FKNBK occurs 0,
T_YKNVA     LIKE     FKNVA occurs 0,
T_YKNVD     LIKE     FKNVD occurs 0,
T_YKNVI     LIKE     FKNVI occurs 0,
T_YKNVK     LIKE     FKNVK occurs 0,
T_YKNVL     LIKE     FKNVL occurs 0,
T_YKNVP     LIKE     FKNVP occurs 0 with header line,
T_YKNVS     LIKE     FKNVS occurs 0,
T_YKNEX     LIKE     FKNEX occurs 0,
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*T_XKNVP-VKORG     =     '0001'     .
*T_XKNVP-VTWEG     =     '01'     .
*T_XKNVP-SPART     =     '01'     .
T_XKNVP-KZ      =     'D'     .
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    I_KNB1        = I_KNB1
    I_KNVV        = I_KNVV
    I_YKNA1       = I_YKNA1
    I_YKNB1       = I_YKNB1
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    T_XKNBK       = T_XKNBK
    T_XKNVA       = T_XKNVA
    T_XKNVD       = T_XKNVD
    T_XKNVI       = T_XKNVI
    T_XKNVK       = T_XKNVK
    T_XKNVL       = T_XKNVL
    T_XKNVP       = T_XKNVP
    T_XKNVS       = T_XKNVS
    T_XKNEX       = T_XKNEX
    T_XKNZA       = T_XKNZA
    T_YKNAS       = T_YKNAS
    T_YKNB5       = T_YKNB5
    T_YKNBK       = T_YKNBK
    T_YKNVA       = T_YKNVA
    T_YKNVD       = T_YKNVD
    T_YKNVI       = T_YKNVI
    T_YKNVK       = T_YKNVK
    T_YKNVL       = T_YKNVL
    T_YKNVP       = T_YKNVP
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Hi Everyone,
I am a newbie to Oracle.
What is Logical Delete and What is Physical Delete ?
Help is appreciated.
Thanks in advance,
KR

Hi,
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Physical read - Data accessed directly from disk.
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Need file adapter polling with read operation to be triggered by a BPEL without using synchronous read

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As soon as i deploy the composite the file adapter starts polling without waiting for input.
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i have an internal table which consists of 100 records.
i need to keep only first 5 records.
without using the loop statement i need to delete the rest of the records. how can we achieve this result.
i.e. delete itab1 where "recordno" > 5.
regards.
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Hi,
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Hi,
I am new to Bex so please do let me know if this can be done without using virtual keys or characteristics.
Logic should start processing from condition 1 to 4 sequencially.. If condition 2 is true, conditions 3 and 4 should not be processed.
Conditions
1. Column A if Sales value is between 10 - 20
2. Column B if Sales value is between 15 - 25
3. Column C if Sales value is between 20 - 30
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Sales value = 16
Based on this scenerio, the sales value should be displayed in column A only.

Guys,
I agree that this is a solvable problem if there are no overlapping conditions but my requirements do have them. I might have over simplify the problem or maybe there is a better way to do this. Here is the real scenario.
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2. No Purchase
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IF LYTD had zero sales activity
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IF a customer site had zero sales activity in the previous 3 months
AND a customer site had sales activity within the report period (i.e YTD)
Jan 2007 >>>>>> $100
Feb 2007 >>>>>> $0
March 2007 >>>> $0
April 2007 >>>>> $0
Jan 2006 >>>>>> $0
Feb 2006 >>>>>> $0
March 2006 >>>> $0
April 2006 >>>>> $0
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I run a report on the 15th of May 2007.
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Now both the columns have data. This is the overlapping scenario I was referring to.
That is why I need to process the column logic sequentially. Once a condition is true , I need to break and move on to a new row.
Thanks
Message was edited by:
Nigel K

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Databse polling without using logical delete or physical delete

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