Oracle stream - Table instantiation

Hi,
I have included DDL rules in capture process. Everthing goes fine except when I am creating new table in source. It gives below error.
ORA-26687: no instantiation SCN provided for "PCAT_NT"."" in source database "PCAT"
My DDL rules are as below :
BEGIN
DBMS_STREAMS_ADM.ADD_SCHEMA_RULES(
schema_name => 'PCAT_NT',
streams_type => 'CAPTURE',
streams_name => 'PCAT_NT_CAPTURE',
queue_name => 'STRMADMIN.STRMPCAT_QUEUE',
include_dml => false,
include_ddl => true,
source_database => 'PCAT',
inclusion_rule => TRUE,
and_condition => '(:ddl.get_command_type() = ''TRUNCATE TABLE'')'
END;
BEGIN
DBMS_STREAMS_ADM.ADD_SCHEMA_RULES(
schema_name => 'PCAT_NT',
streams_type => 'CAPTURE',
streams_name => 'PCAT_NT_CAPTURE',
queue_name => 'STRMADMIN.STRMPCAT_QUEUE',
include_dml => false,
include_ddl => true,
source_database => 'PCAT',
inclusion_rule => TRUE,
and_condition => '(:ddl.get_command_type() = ''ALTER TABLE'')'
END;
BEGIN
DBMS_STREAMS_ADM.ADD_SCHEMA_RULES(
schema_name => 'PCAT_NT',
streams_type => 'CAPTURE',
streams_name => 'PCAT_NT_CAPTURE',
queue_name => 'STRMADMIN.STRMPCAT_QUEUE',
include_dml => false,
include_ddl => true,
source_database => 'PCAT',
inclusion_rule => TRUE,
and_condition => '(:ddl.get_command_type() = ''CREATE INDEX'')'
END;
BEGIN
DBMS_STREAMS_ADM.ADD_SCHEMA_RULES(
schema_name => 'PCAT_NT',
streams_type => 'CAPTURE',
streams_name => 'PCAT_NT_CAPTURE',
queue_name => 'STRMADMIN.STRMPCAT_QUEUE',
include_dml => false,
include_ddl => true,
source_database => 'PCAT',
inclusion_rule => TRUE,
and_condition => '(:ddl.get_command_type() = ''CREATE TABLE'')'
END;
Regards

I followed document id 733691.1 for downstream setup and cudn't see DBMS_STREAMS_ADM.MAINTAIN_SCHEMAS procedure there.
Regards

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Note: mdrake is Mark Drake from Oracle.

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Hi,
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Have you applied this way? What was the result?
regards

Oracle Streaming in same database - 10g

Oracle Streaming in 10g database
Posted: Sep 21, 2006 4:25 AM Reply
Hello,
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Hi
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Doubt in Oracle streams

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Hi
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Help on Oracle streams 11g configuration. I would also need your help
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import : Can I use now datapump to do that ?
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create user FaeterBR identified by FaeterBR_
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schema_name =>'FaeterBR',
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source_queue_name =>'stream_admin.FaeterBR_src_queue',
destination_queue_name=>'stream_admin.FaeterBR_dst_queue@dst',
include_dml =>true,
include_ddl =>true,
include_tagged_lcr =>false,
source_database =>'SRC',
inclusion_rule =>true);
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schema_name =>'FaeterBR',
streams_type =>'apply',
streams_name =>'FaeterBR_Dst_apply',
queue_name =>'FaeterBR_dst_queue',
include_dml =>true,
include_ddl =>true,
include_tagged_lcr =>false,
source_database =>'SRC',
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Any easier method applicable the schema?
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cols DBMS_UTILITY.NAME_ARRAY;
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cols(2) := 'names';
cols(3) := 'toys';
cols(4) := 'vendor';
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object_name =>'FaeterBR.tb2',
method_name =>'OVERWRITE',
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capture_name => 'FaeterBR_src_capture');
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BEGIN
DBMS_APPLY_ADM.START_APPLY(
apply_name => 'FaeterBR_DST_apply');
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replication (DST).
AT ORCL:
insert into FaeterBR.tb2 values (
31000, 'BAMSE', 'DR', 'DR Lejetoej');
AT STR10:
connect FaeterBR/FaeterBR
select * from FaeterBR.tb2 where vendor= 'DR Lejetoej';
Any other test that can be made?

Check the metalink doc 301431.1 and validate
How To Setup One-Way SCHEMA Level Streams Replication [ID 301431.1]
Oracle Server Enterprise Edition - Version: 10.1.0.2 to 11.1.0.6
Cheers.

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ORA-06512: at line 1
When checking some docs, they told i have to destraoy all logminer session, and i verify to v$session view and cannot identify logminer session. If someone can help me because i need this sttream tools for schema synchronization of my production database and datawarehouse database.
That i want is how to destroy or stop logminer session.
Thnaks for your help
regards
raitsarevo

Thanks Werner, it's ok now my problem is solved and here bellow the output of your script.
I profit if you have some docs or some advise for my database schema synchronisation, is using oracle sctrems is the best or can i use anything else but not Dataguard concept or standby database because i only want to apply DMl changes not DDL. If you have some docs for Oracle streams and especially for schema synchronization not tables.
many thanks again, and please send to my email address [email protected] if needed
ABILLITY>DELETE FROM system.logmnr_uid$;
1 row deleted.
ABILLITY>DELETE FROM system.logmnr_session$;
1 row deleted.
ABILLITY>DELETE FROM system.logmnrc_gtcs;
0 rows deleted.
ABILLITY>DELETE FROM system.logmnrc_gtlo;
13 rows deleted.
ABILLITY>EXECUTE DBMS_LOGMNR_D.SET_TABLESPACE('LOGMNRTS');
PL/SQL procedure successfully completed.
regards
raitsarevo

Oracle Streams 9i Database Link Error

Can anyone be help me regarding Oracle Streams 9i
Oracle Version: 9.2.0.5.0
Initial parameters:
global_name=true
aq_tm_processes=1
job_queue_process=10
log_parallelism=1 scope=spfile
database is in archivelog;
I executed the following SQL statements:
CONNECT sys/xxxxx@db1 AS SYSDBA
CREATE USER strmadmin IDENTIFIED BY strmadminpw
DEFAULT TABLESPACE users QUOTA UNLIMITED ON users;
GRANT CONNECT, RESOURCE, SELECT_CATALOG_ROLE TO strmadmin;
GRANT EXECUTE ON DBMS_AQADM TO strmadmin;
GRANT EXECUTE ON DBMS_CAPTURE_ADM TO strmadmin;
GRANT EXECUTE ON DBMS_PROPAGATION_ADM TO strmadmin;
GRANT EXECUTE ON DBMS_STREAMS_ADM TO strmadmin;
GRANT EXECUTE ON DBMS_APPLY_ADM TO strmadmin;
GRANT EXECUTE ON DBMS_FLASHBACK TO strmadmin;
BEGIN
DBMS_RULE_ADM.GRANT_SYSTEM_PRIVILEGE(
privilege => DBMS_RULE_ADM.CREATE_RULE_SET_OBJ,
grantee => 'strmadmin',
grant_option => FALSE);
END;
BEGIN
DBMS_RULE_ADM.GRANT_SYSTEM_PRIVILEGE(
privilege => DBMS_RULE_ADM.CREATE_RULE_OBJ,
grantee => 'strmadmin',
grant_option => FALSE);
END;
CONNECT strmadmin/strmadminpw@db1
EXEC DBMS_STREAMS_ADM.SET_UP_QUEUE();
CREATE DATABASE LINK db2 CONNECT TO strmadmin IDENTIFIED BY strmadminpw USING 'DB2';
CONNECT sys/xxxxx@db2 AS SYSDBA
CREATE USER strmadmin IDENTIFIED BY strmadminpw
DEFAULT TABLESPACE users QUOTA UNLIMITED ON users;
GRANT CONNECT, RESOURCE, SELECT_CATALOG_ROLE TO strmadmin;
GRANT EXECUTE ON DBMS_AQADM TO strmadmin;
GRANT EXECUTE ON DBMS_CAPTURE_ADM TO strmadmin;
GRANT EXECUTE ON DBMS_PROPAGATION_ADM TO strmadmin;
GRANT EXECUTE ON DBMS_STREAMS_ADM TO strmadmin;
GRANT EXECUTE ON DBMS_APPLY_ADM TO strmadmin;
GRANT EXECUTE ON DBMS_FLASHBACK TO strmadmin;
BEGIN
DBMS_RULE_ADM.GRANT_SYSTEM_PRIVILEGE(
privilege => DBMS_RULE_ADM.CREATE_RULE_SET_OBJ,
grantee => 'strmadmin',
grant_option => FALSE);
END;
BEGIN
DBMS_RULE_ADM.GRANT_SYSTEM_PRIVILEGE(
privilege => DBMS_RULE_ADM.CREATE_RULE_OBJ,
grantee => 'strmadmin',
grant_option => FALSE);
END;
CONNECT strmadmin/strmadminpw@db2
EXEC DBMS_STREAMS_ADM.SET_UP_QUEUE();
CONNECT sys/xxxxx@db2 as sysdba
GRANT ALL ON scott.dept TO strmadmin;
CONNECT sys/xxxxx@db1 AS SYSDBA
CREATE TABLESPACE logmnr_ts DATAFILE 'D:\oracle\oradata\db1\logmnr01.dbf'
SIZE 25 M REUSE AUTOEXTEND ON MAXSIZE UNLIMITED;
EXECUTE DBMS_LOGMNR_D.SET_TABLESPACE('logmnr_ts');
CONNECT sys/xxxxx@db1 AS SYSDBA
ALTER TABLE scott.dept ADD SUPPLEMENTAL LOG GROUP log_group_dept_pk (deptno) ALWAYS;
CONNECT strmadmin/strmadminpw@db1
BEGIN
DBMS_STREAMS_ADM.ADD_TABLE_PROPAGATION_RULES(
table_name => 'scott.dept',
streams_name => 'db1_to_db2',
source_queue_name => 'strmadmin.streams_queue',
destination_queue_name => 'strmadmin.streams_queue@db2',
include_dml => true,
include_ddl => true,
source_database => 'db1');
END;
CONNECT strmadmin/strmadminpw@db1
BEGIN
DBMS_STREAMS_ADM.ADD_TABLE_RULES(
table_name => 'scott.dept',
streams_type => 'capture',
streams_name => 'capture_simp',
queue_name => 'strmadmin.streams_queue',
include_dml => true,
include_ddl => true);
END;
Did this exp/imp
exp userid=scott/tiger@db1 FILE=dept_instant.dmp TABLES=dept OBJECT_CONSISTENT=y ROWS=n
imp userid=scott/tiger@db2 FILE=dept_instant.dmp IGNORE=y COMMIT=y LOG=import.log STREAMS_INSTANTIATION=y
and then
CONNECT sys/xxxxx@db2 AS SYSDBA
ALTER TABLE scott.dept DROP SUPPLEMENTAL LOG GROUP log_group_dept_pk;
CONNECT strmadmin/strmadminpw@db2
BEGIN
DBMS_STREAMS_ADM.ADD_TABLE_RULES(
table_name => 'scott.dept',
streams_type => 'apply',
streams_name => 'apply_simp',
queue_name => 'strmadmin.streams_queue',
include_dml => true,
include_ddl => true,
source_database => 'db1');
END;
CONNECT strmadmin/strmadminpw@db2
BEGIN
DBMS_APPLY_ADM.SET_PARAMETER(
apply_name => 'apply_simp',
parameter => 'disable_on_error',
value => 'n');
DBMS_APPLY_ADM.START_APPLY(
apply_name => 'apply_simp');
END;
CONNECT strmadmin/strmadminpw@db1
BEGIN
DBMS_CAPTURE_ADM.START_CAPTURE(
capture_name => 'capture_simp');
END;
Here is my problem:
After i configured it the streams still cannot replicate. And when I checked the EM GUI for streams monitoring it displays a broken database link.
Also it says that the database link is not active.
Can anyone please help?
Thanks.

I don't know what Datacomp is, but you should be able
to connect to any non-Oracle database if there is
an ODBC driver for it. You would use Generic
Heterogeneous Services to do this. See the following
link to the documentation for details:
http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96544/gencon.htm#1656
There are also several articles on the Net. Do a google
search on oracle generic heterogeneous services /
connectivity.
Hope this helps.
Kailash.

Oracle Streams Update conflict handler not working

Hello,
I've been working on the Oracle streams and this time we've to come up with Update conflict handler.
We are using Oracle 11g on Solaris10 env.
So far, we have implemented bi-directional Oracle Streams Replication and it is working fine.
Now, when i try to implement Update conflict handler - it executed successfully but it is not fulfilling the desired functionality.
Here are the steps i performed:
Steap -1:
create table test73 (first_name varchar2(20),last_name varchar2(20), salary number(7));
ALTER TABLE jas23.test73 ADD (time TIMESTAMP WITH TIME ZONE);
insert into jas23.test73 values ('gugg','qwer',2000,SYSTIMESTAMP);
insert into jas23.test73 values ('papa','sdds',2050,SYSTIMESTAMP);
insert into jas23.test73 values ('jaja','xzxc',2075,SYSTIMESTAMP);
insert into jas23.test73 values ('kaka','cvdxx',2095,SYSTIMESTAMP);
insert into jas23.test73 values ('mama','rfgy',1900,SYSTIMESTAMP);
insert into jas23.test73 values ('tata','jaja',1950,SYSTIMESTAMP);
commit;
Step-2:
conn to strmadmin/strmadmin to server1:
SQL> ALTER TABLE jas23.test73 ADD SUPPLEMENTAL LOG DATA (ALL) COLUMNS;
Step-3
SQL>
DECLARE
cols DBMS_UTILITY.NAME_ARRAY;
BEGIN
cols(1) := 'first_name';
cols(2) := 'last_name';
cols(3) := 'salary';
cols(4) := 'time';
DBMS_APPLY_ADM.SET_UPDATE_CONFLICT_HANDLER(
object_name => 'jas23.test73',
method_name => 'MAXIMUM',
resolution_column => 'time',
column_list => cols);
END;
Step-4
conn to strmadmin/strmadmin to server2
SQL>
DECLARE
cols DBMS_UTILITY.NAME_ARRAY;
BEGIN
cols(1) := 'first_name';
cols(2) := 'last_name';
cols(3) := 'salary';
cols(4) := 'time';
DBMS_APPLY_ADM.SET_UPDATE_CONFLICT_HANDLER(
object_name => 'jas23.test73',
method_name => 'MAXIMUM',
resolution_column => 'time',
column_list => cols);
END;
Step-5
And now, if i try to update the value of salary, then it is not getting handled by update conflict handler.
update jas23.test73 set salary = 1500,time=SYSTIMESTAMP where first_name='papa'; --server1
update jas23.test73 set salary = 2500,time=SYSTIMESTAMP where first_name='papa'; --server2
commit; --server1
commit; --server2
Note: Both the servers are into different timezone (i hope it wont be any problem)
Now, after performing all these steps - the data is not same at both sites.
Error(DBA_APPLY_ERROR) -
ORA-26787: The row with key ("FIRST_NAME", "LAST_NAME", "SALARY", "TIME") = (papa, sdds, 2000, 23-DEC-10 05.46.18.994233000 PM +00:00) does not exist in ta
ble JAS23.TEST73
ORA-01403: no data found
Please help.
Thanks.
Edited by: gags on Dec 23, 2010 12:30 PM

Hi,
When i tried to do it on Server-2:
SQL> ALTER TABLE jas23.test73 ADD SUPPLEMENTAL LOG DATA (ALL) COLUMNS;
it throws me an error,
Error -
ERROR at line 1:
ORA-32588: supplemental logging attribute all column exists

BLOB in Oracle Streams

Oracle 10.2.0.4:
I am new to Oracle streams and just reading docs at this point. I read in http://download.oracle.com/docs/cd/B19306_01/server.102/b14229.pdf doc that BLOB are not supported by streams. I am just looking for basic stream configuration with some rule processing which will send LCR from source queue to destination queue. And as I understand I can do that by using ANYDATA payload.
We have some tables witih BLOB data.

It's all a balancing act. If you absolutely need both data centers processing transactions simultaneously, you'll need Streams.
Lets start with the simplest possible case of this, two data centers A and B, with databases 1 and 2. Database 1 is in data center A, database 2 is in data center B. If database 1 fails, would you be able to shift traffic to database 2 relatively easily? Assuming that you're building in functionality to shift load between databases, which is normally the case when you're building this sort of distributed application, it may be easier to do this sort of shift regardless of the reason that database 1 fails.
If you have a standby database in each data center (1A as the standby for database 1, 2A as the standby for database 2), when 1 fails, you have to figure out whether whatever caused 1 to fail will also cause 1A to fail. If data center A is having connectivity or power issues, for example, you would have to shift traffic to 2 rather than failing 1 over to 1A. On the other hand, if it was an isolated server failure, you could either shift traffic to 2 or fail over to 1A. There is some risk that having a more complex failure scenario makes it more likely that someone makes a mistake-- there will be a number of failover steps that you'd do only if you're failing from 1 to 1A and other steps that you'd do if you were shifting traffic from 1 to 2 and some steps that are common-- and makes it more difficult to fully test all the scenarios. On the other hand, there may well be benefits to having more options to respond to different sorts of failures. And politics/ reporting structure as well as geography plays a role here-- if the data centers are on different continents, shifting traffic is probably much less desirable than if you have two US data centers.
If, rather than having standbys 1A and 2A, database 1 and 2 were really multi-node RAC clusters, both database 1 and database 2 would be able to survive most sorts of localized hardware failure (i.e. one node can fail on database 1 without affecting whether database 1 is up and processing transactions). If there was a data center wide failure, you'd still have to shift traffic. But one server dying in a pile wouldn't be an issue. Of course, there would be a handful of events that could take down the entire RAC cluster without affecting the data center where a standby could potentially be used (i.e. the SAN for the cluster fails but the standby is using a different SAN). Those may not be particularly likely, however, so it may make sense not to bother with contingency planning for them and just assume that anything that knocks out all the nodes of the cluster forces traffic to be shifted to 2 and that it wouldn't be worth trying to maintain a standby for those scenarios.
There are lots of trade-offs here. You have simplicity of setup, you have simplicity of failover, you have robustness, etc. And there are going to be cases where you realistically need to take a stab at predicting how likely various events are which gets pretty deeply into hardware, setup, and politics (i.e. how likely a server is to fail depends on whether you've bought a high-end server with doubly-rundundant-everything or a commodity linux box, how likely a data center is to fail depends on the data center's redundancy measures and your level of confidence in those measures, etc)
Justin

Complex Oracle Streams issue - Update conflicts

This is for Oracle streams replication on 11g r2.
I am facing update conflicts in a table. The conflict arise due to technical and business logic issue. The business logic will pass through the replication/apply process successfully but we want to arrest and resolve it before replication for our requirements. These are typically a bit complex cases and we are exploring the possibility of having both DML handlers and Error handlers. The DML handlers will take care of business logic conflicts and Error handler for technical issues before pushing it to Error queue by Streams. Based on our understanding and verification, we found a limitation to configure both procedure DML handler and Error handler together for the same table operation.
Statement handlers can not be used for our conflict scenarios.
Following are my questions:
1. Have anyone implemented or faced such a scenario in their real time application? If yes, can you please share some insights or inputs?
2. Is there a custom way to handle this complex problem of configuring both DML and Error handler?
3. Is there any alternative possible way to resolve this situation at Oracle streams environment with other handlers?

Dear All
I too have a similar requirement. Could anyone help with one?
We can handle the error-ing transactions via Error Handler procedures.
But we can not configure the DML handler procedure for transactions that are successfully replicated. STreams does not allow us to configure a handler for this. Is there any other handler / procedures / hooks in streams where we can implement the desired functionality - which includes changing the values in the LCR before invoking lcr.execute() and we should be able to discard the LCR also if required.
Regards
Velmurugan
Edited by: 982387 on Jan 16, 2013 11:25 PM
Edited by: 982387 on Jan 16, 2013 11:27 PM

Capturing data of the previous time interval with Oracle Stream(HotLog)

I read from 10g Oracle manual that Oracle Steam can capture data within specified time interval with begin_data and end_data options.
For example :
BEGIN
DBMS_CDC_PUBLISH.CREATE_CHANGE_SET(
change_set_name => 'set_cns',
description => 'set_cns...',
change_source_name => 'HOTLOG_SOURCE',
stop_on_ddl => 'y',
begin_date => sysdate,
end_date => sysdate + 1);
END;
However if I set begin_date to previous time from now, Oracle doesn't caputre data anymore in this case.(HotLog method)
(I set begin_date => sysdate - 1/24
end_date => sysdate + 1/24.)
Does anybody know to capture the previous time interval with Oracle Stream?

Change C2 to:
cursor c2(passing_date IN date) IS
SELECT MONITOR_ID, SAMPLE_ID,
               COLL_TIME, DEW_POINT
    FROM ARCHIVE_DATA
    WHERE COLL_TIME < passing_date
    ORDER BY COLL_TIME desc;And rather than populating a table with the three records, you could just select the three records using: where COLL_TIME between Prev3_time and Prev1_time

Execution of Row level trigger in Oracle Streams.

Hi All,
Oracle Database version : 9.2.0.4 on windows NT/2000 environment.
We managed to install,configure oracle stream technologies.
Oracle Stream seems to be working fine for replication of DML & DDL changes from source database to target database.
Following is detail at source end.
Source Sid = acc
Source Schema = stream
Source Table = dept
structure of dept table.
Name Null? Type
DEPTNO NOT NULL NUMBER(5)
DNAME NOT NULL VARCHAR2(10)
LOC NOT NULL VARCHAR2(10)
Streamadmin user = strmadmin
Following is detail at target end.
Target Sid = fin
Target Schema = stream
Target Table = dept
structure of dept table.
Name Null? Type
DEPTNO NOT NULL NUMBER(5)
DNAME NOT NULL VARCHAR2(10)
LOC NOT NULL VARCHAR2(10)
TRAN_DATE NULL DATE DEFAULT SYSDATE
I checked on insert/update/delete of rows into dept table at source database, changes are correctly replicated to target table dept.
I wrote a simple trigger which is as follows on dept table at target database.
create or replace trigger dept_upd_del
before delete or update of dname,loc on stream.dept
for each row
begin
dbms_output.put_line('Inside Trigger');
if updating then
dbms_output.put_line('Update');
insert into stream.dept_change values (:old.deptno,'U',sysdate);
end if;
if deleting then
dbms_output.put_line('Delete');
insert into stream.dept_change values (:old.deptno,'D',sysdate);
end if;
end;
I expect this trigger to get executed whenever changes occurs into dept table at target database whenever dml changes are propagated from source to target table. However i found that the above trigger is not executed at all.
I was further surprised, since incase i update/delete rows from target table dept the above trigger is executing correctly.
Can someone please let me know about this?
I believe stream technology is using INSERT / UPDATE & DELETE statement when changes are applied at target table but this doesn't seems to be the case.
Thanks in Advance.
Regards,
Vidyanand

The trigger at the destination will not fire because it already has at the source site. Read about that in the streams documentation on page 4-25. To change the "fire once" property of the trigger, use the procedure SET_TRIGGER_FIRING_PROPERTY in the DBMS_DDL package.
Hope this helps.
Claudine

Granularity of change rules in CDC (using Oracle streams) at columns level.

Is it possible to implement granularity of change rules in CDC (using Oracle streams) at columns level.
E.g. table abc with columns a1, b1, c1 where c1 is some kind of auditing column. I want to use CDC on table abc but want to ignore changes on c1.
Is it possible? My other option is to split table abc into a child table that has the Primary key and c1 only but it needs additional table and joins.
Thanks
Shyam

The requirement can be implemented by a simple trigger.
You seem to plan to kill a mosquito by using a nuclear bomb.
Sybrand Bakker
Senior Oracle DBA

Oracle stream - Table instantiation

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