Orace CDC tables (built in package)

Hi,
Currently I am working on a project about the CDC(Change Data Capture) tables: after I enable the cdc tables in the oracle database for some tables, I need to query some data from these cdc tables. since this related to very complex pl sql, so I am wondering are there some built in packages which allow me to use directly to query some useful data from the cdc tables?
Please let me know if you know something, thank you very much.
here is a simple example:
there are several tables about a users application to some program:
the online application form will be saved in the table: application
Now I enable the cdc table of application table, and now I have the cdc table: application_cdc
this cdc table will record any changes of the application table that the applicant made,
Now I need to get some table from table: application_cdc,
is there some good built in functions or procedure that i can use directly?

Hi,
Thank you for the information, and sorry for the confusion, yes, I am looking for the packages that allow me to get some information from those cdc tables(I already have cdc tables with change records in it). what you told me about the DBMS_CDC_UTILITY package is useful, but it is too general(high level) that I can not use.
For the CDC tables I have, there are many changes records over there, I just need some useful records(rows), now it is difficult for me to write plsql to get it directly.
The Oracle DB I am using is 11g, Synchronous, and related to the subscriber, and I have the dw_.._cdc tables already, if there are not so many built in package for me to query the dw_.._cdc tables, what I can do is:
(1) to write complex plsql directly to query these cdc tables
or
(2)recreate the cdc tables(many original tables combined to one table): to modify the publisher part to make the data(for subscriber) more related to what I want
Im new to the cdc concept, please give me some advise, Thank you.

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No Database to try it. Check at your own risk if this might work for you
no version specified from your side, NOT TESTED from my side, so let's say we're even
select row_number() over (order by the_order) "RowNum",
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from (select v.the_val,t.the_order,
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Regards
Etbin

Unicode export:Table-splitting and package splitting

Hi SAP experts,
I know there are lot of forums related to this topic, but I have some new questions and hence posting a new thread.
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4.) Also, what exactly is the difference between table-splitting and package-splitting? Are they both effective together?
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Regards,
Santosh Bhat

Hi,
First of all please ignore my very first response ... i have accidentally posted a response to some other thread...sorry for that
Now coming you your questions...
> 1.) Can package splitting and table-splitting be used together? If yes or no, what exactly is the procedure to be followed. As I observed that, the packages also have entries of the tables that we decided to split. So, does package splitting or table-splitting override the other, and only one of the two can be effective at a time?
Package splitting and table splitting works together, because both serve a different purpose
My way of doing is ...
When i do package split i choose packageLimit 1000 and also split out the tables (which i selected for table split) into seperate package (one package per table). I do it because that helps me to track those table.
Once the above is done i follow it up with the R3ta and wheresplitter for those tables.
Followed by manual migration monitor to do export/import , as mentioned in the previous reply above you need to ensure you sequenced you package properly ... large tables are exported first , use sections in the package list file , etc
> 2.) If you are well versed with table splitting procedure, could you describe maybe in brief the exact procedure?
Well i would say run R3ta (it will create multiple select queries) followed by wheresplitter (which will just split each of the select into multiple WHR files) ...
Best would go thought some document on table spliting and let me know if you have specific query. Dont miss the role of hints file.
> 3.) Also, I have mentioned about the version of R3ta and library file in my original post. Is this likely to be an issue?Also, is there a thumb rule to decide on the no.of splits for a table.
Rule is use executable of the kernel version supported by your system version. I am not well versed with 7.01 and 7.2 support ... to give you an example i should not use 700 R3ta on 640 system , although it works.
>1.) After completion of tablesplitting preparation, there were .WHR files that were generated for each of the tables in DATA directory of export location. However, how many .WHR files should be created and on what basis are they created?
If you ask for 10 split .... you will get 10 splits or in some case 11 also, the reason might be the field it is using to split the table (the where clause). But not 100% sure about it.
> 2) I will take an example of a table PRCD_CLUST(cluster table) in our environment, which we had split. We had 29 *.WHR files that were created for this particular table. The number of splits given for this table was 36 and the table size is around 72 GB.Also, we noticed that the first 28 .WHR files for this table, had lots of records but the last 29th .WHR file, had only 1 record. But we also noticed that, the packages/splits for the 1st 28 splits were created quite fast but the last one,29th one took a long time(serveral hours) to get completed.Also,lots of packages were generated(around 56) of size 1 GB each for this 29th plit. Also, there was only one R3load which was running for this 29th split, and was generating packages one by one.
Not sure why you got 29 split when you asked for 36, one reason might be the field (key) used for split didn't have more than 28 unique records. I dont know how is PRCD_CLUST split , you need to check the hints file for "key". One example can be suppose my table is split using company code, i have 10 company codes so even if i ask for 20 splits i will get only 10 splits (WHR's).
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> 3) Also,Our question here is that is there any thumb rule for deciding on the number of splits for a table.Also, during the export, are there any things that need to be specified, while giving the inputs when we use table splitting,in the screen?
Not aware any thumb rule. First iteration you might choose something like 10 for 50 GB , 20 for 100 GB. If any of the tables overshoots the window. They you can give a try by increase or decrease the number of splits for the table. For me couple of times the total export/import time have improved by reducing the splits of some tables (i suppose i was oversplitting those tables).
Regards,
Neel
Edited by: Neelabha Banerjee on Nov 30, 2011 11:12 PM

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The local package spec & body are as follows -
package PKG_SAS_UTILS is function DF_GET_ADDRESS (P_ADD_REFNO NUMBER) return CHAR; function DF_GET_NAME (P_PEO_REFNO INTEGER) return CHAR; procedure DP_CREATE_KCS (P_SESSION_ID CHAR, P_ALE_REFNO CHAR, P_APP_REFNO NUMBER, P_AREA_CODE CHAR); procedure DP_CREATE_PRA (P_SREV_ID NUMBER, P_SREV_HRV_STATUS CHAR, P_DOMAIN CHAR, P_CODE CHAR); function DF_APP_FILE_REF (P_APP_REFNO NUMBER) return CHAR; function DF_GET_SYS_PARAM (P_PARAM_CODE CHAR) return CHAR; function DF_APP_APPROVED_DATE (P_APP_REFNO NUMBER, P_HRV_APPLCAT CHAR) return DATE; function DF_GET_TEAM (P_ADD_REFNO NUMBER) return CHAR; function DF_APP_ADDRESS (P_APP_REFNO NUMBER, P_TYPE CHAR) return CHAR; function DF_APP_NAME (P_APP_REFNO NUMBER) return CHAR; function DF_GET_DSP_SCODES (P_STATUS_CODE CHAR) return CHAR; procedure DP_LENGTH_OF_ASSIST (P_APP_REFNO NUMBER, P_RLI_CODE CHAR, P_NO_DAYS out NUMBER, P_TOT_AMT out NUMBER, p_date_till in date); end;
package body PKG_SAS_UTILS is function DF_GET_ADDRESS (P_ADD_REFNO NUMBER) return CHAR is X0 CHAR(2000); begin stproc.init('begin :X0 := PKG_SAS_UTILS.DF_GET_ADDRESS(:P_ADD_REFNO); end;'); stproc.bind_o(X0); stproc.bind_i(P_ADD_REFNO); stproc.execute; stproc.retrieve(1, X0); return X0; end; function DF_GET_NAME (P_PEO_REFNO INTEGER) return CHAR is X0 CHAR(2000); begin stproc.init('begin :X0 := PKG_SAS_UTILS.DF_GET_NAME(:P_PEO_REFNO); end;'); stproc.bind_o(X0); stproc.bind_i(P_PEO_REFNO); stproc.execute; stproc.retrieve(1, X0); return X0; end; procedure DP_CREATE_KCS (P_SESSION_ID CHAR, P_ALE_REFNO CHAR, P_APP_REFNO NUMBER, P_AREA_CODE CHAR) is begin stproc.init('begin PKG_SAS_UTILS.DP_CREATE_KCS(:P_SESSION_ID, :P_ALE_REFNO, :P_APP_REFNO, :P_AREA_CODE); end;'); stproc.bind_i(P_SESSION_ID); stproc.bind_i(P_ALE_REFNO); stproc.bind_i(P_APP_REFNO); stproc.bind_i(P_AREA_CODE); stproc.execute; end; procedure DP_CREATE_PRA (P_SREV_ID NUMBER, P_SREV_HRV_STATUS CHAR, P_DOMAIN CHAR, P_CODE CHAR) is begin stproc.init('begin PKG_SAS_UTILS.DP_CREATE_PRA(:P_SREV_ID, :P_SREV_HRV_STATUS, :P_DOMAIN, :P_CODE); end;'); stproc.bind_i(P_SREV_ID); stproc.bind_i(P_SREV_HRV_STATUS); stproc.bind_i(P_DOMAIN); stproc.bind_i(P_CODE); stproc.execute; end; function DF_APP_FILE_REF (P_APP_REFNO NUMBER) return CHAR is X0 CHAR(2000); begin stproc.init('begin :X0 := PKG_SAS_UTILS.DF_APP_FILE_REF(:P_APP_REFNO); end;'); stproc.bind_o(X0); stproc.bind_i(P_APP_REFNO); stproc.execute; stproc.retrieve(1, X0); return X0; end; function DF_GET_SYS_PARAM (P_PARAM_CODE CHAR) return CHAR is X0 CHAR(2000); begin stproc.init('begin :X0 := PKG_SAS_UTILS.DF_GET_SYS_PARAM(:P_PARAM_CODE); end;'); stproc.bind_o(X0); stproc.bind_i(P_PARAM_CODE); stproc.execute; stproc.retrieve(1, X0); return X0; end; function DF_APP_APPROVED_DATE (P_APP_REFNO NUMBER, P_HRV_APPLCAT CHAR) return DATE is X0 DATE; begin stproc.init('begin :X0 := PKG_SAS_UTILS.DF_APP_APPROVED_DATE(:P_APP_REFNO, :P_HRV_APPLCAT); end;'); stproc.bind_o(X0); stproc.bind_i(P_APP_REFNO); stproc.bind_i(P_HRV_APPLCAT); stproc.execute; stproc.retrieve(1, X0); return X0; end; function DF_GET_TEAM (P_ADD_REFNO NUMBER) return CHAR is X0 CHAR(2000); begin stproc.init('begin :X0 := PKG_SAS_UTILS.DF_GET_TEAM(:P_ADD_REFNO); end;'); stproc.bind_o(X0); stproc.bind_i(P_ADD_REFNO); stproc.execute; stproc.retrieve(1, X0); return X0; end; function DF_APP_ADDRESS (P_APP_REFNO NUMBER, P_TYPE CHAR) return CHAR is X0 CHAR(2000); begin stproc.init('begin :X0 := PKG_SAS_UTILS.DF_APP_ADDRESS(:P_APP_REFNO, :P_TYPE); end;'); stproc.bind_o(X0); stproc.bind_i(P_APP_REFNO); stproc.bind_i(P_TYPE); stproc.execute; stproc.retrieve(1, X0); return X0; end; function DF_APP_NAME (P_APP_REFNO NUMBER) return CHAR is X0 CHAR(2000); begin stproc.init('begin :X0 := PKG_SAS_UTILS.DF_APP_NAME(:P_APP_REFNO); end;'); stproc.bind_o(X0); stproc.bind_i(P_APP_REFNO); stproc.execute; stproc.retrieve(1, X0); return X0; end; function DF_GET_DSP_SCODES (P_STATUS_CODE CHAR) return CHAR is X0 CHAR(2000); begin stproc.init('begin :X0 := PKG_SAS_UTILS.DF_GET_DSP_SCODES(:P_STATUS_CODE); end;'); stproc.bind_o(X0); stproc.bind_i(P_STATUS_CODE); stproc.execute; stproc.retrieve(1, X0); return X0; end; procedure DP_LENGTH_OF_ASSIST (P_APP_REFNO NUMBER, P_RLI_CODE CHAR, P_NO_DAYS out NUMBER, P_TOT_AMT out NUMBER, p_start_date in date) is begin stproc.init('begin PKG_SAS_UTILS.DP_LENGTH_OF_ASSIST(:P_APP_REFNO, :P_RLI_CODE, :P_NO_DAYS, :P_TOT_AMT, :p_date_till); end;'); stproc.bind_i(P_APP_REFNO); stproc.bind_i(P_RLI_CODE); stproc.bind_o(P_NO_DAYS); stproc.bind_o(P_TOT_AMT); stproc.bind_i(p_date_till); stproc.execute; stproc.retrieve(3, P_NO_DAYS); stproc.retrieve(4, P_TOT_AMT); end; end;

Definition of table built on a view

Hi ,
I am using a table created on a view, i can get the structure of a view from user_views.
But where can i get the structure for the table built on a selected columns of the view ?? I am looking for structure as it was defined while creating.
Thanks.

Hi,
Welcome to the forum!
As Alex said, "DESC table_name" shows all of the most important features. (If the tabel was created using "CREATE TABLE table_name AS ...", which I believe is what you mean), then that will probably be everything.
DESC gets its information from the data dictionary, which includes the views
user_tables
user_tab_columns
user_constraints
user_cons_columns
user_views
and others. You can query these views, which contain information about you own tables and views, or the correpsonding "all_" views (all_tables, all_tab_columns, ...) whcih also include tables in other schemas that you are permitted to use.
All of this reflects the state of the table at the present time. I don't think information about the table "as it was defined while creating" is kept anywhere in the data dictionary, so if the table was changed, you might be out of luck.

Built in package that executes when running a Multi-task

What built-in package(or procedure) runs when executing a multi-task?

I think with the many questions you have on the same issue, the Extensibility Documentation will help a lot.
http://download-uk.oracle.com/docs/cd/B19306_01/em.102/b16246/toc.htm
Also, you can access other EM documents from the menu here:
http://www.oracle.com/pls/db102/portal.portal_db?selected=21

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