Replication :: Oracle Streams Vs Share Plex
Aug 31, 2011
Till now my company used Share Plex for replication 6 DBs from different location to one server (used for BI operations).
1) Replication in in real time
2) All DBs are Oracle but different versions 9 and 10 .
3) We have horizontal and vertical replication. We replicate just some tables, for some tables just some columns and for some tables just records with some conditions
4) We have different charsets.
5) SharePlex have compare/repair tool to check it DBs are in sync mode
I started to look for Oracle Streams to use it instead of SharePlex. Do you know if it is able to handle that type of replications? Do you know about any Oracle Streams limitation which eliminates it?
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Feb 22, 2012
Actually am trying to replicate two db servers from one in hong kong and another in china. when am trying to establish the replication, am getting error 'ORA-04052: error occurred when looking up remote object' like this...
but the same way i have tried in my local network, it is working fine.i have tried schema replication through enterprise manager grid control..
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Apr 18, 2013
Am trying to implement Oracle Streams Replication (Using Metalink Note 733691.1).I have configured the steps, but in my alert log am getting the below error:
Check that the primary and standby are using a password file and remote_login_passwordfile is set to SHARED or EXCLUSIVE, and that the SYS password is same in the password files. returning error ORA-16191
am successfully able to connect db's both server
From 1st server
sqlplus sys@2nddb as sysdba
From 2nd server
sqlplus sys@1stdb as sysdba
while conning it is asking for password
Both DB's are created with Same Oracle sys user password. after this disabled case sensitivity , still the error persists.
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May 27, 2011
We have three unix servers with four databases (10gR2) containing "HP Operation Management Unix" (OMU) server messages for monitoring purpose, and we now want to transfer these data to one new database on a new server for reporting purpose.
The message table in each OMU database keeps the message row until it is "Acknowledged" or for maximum fourteen days, then it is moved to an historic table where it stays for another three days. Keeping data for only seventeen days are a performance issue.The new "Reporting database" is intended to hold messages data for the last 90 days.
I wonder which method to use to move/replicate data against the databases? Materialized view using database link, with view on top of the MVs. How to keep rows longer than the master (source) table, avoiding deletion when master row is deleted
Oracle Streams, with local capture and remote apply. How will this influence on the master database performance. There are about 10000 new messages in each OMU database every day. Is it possible having four streams connections against the reporting database ?
Or should I simply use database triggers which fires after insert and update and applies changes to the reporting database using database links ?
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Jul 20, 2009
We are using Oracle Streams for replication.
Column datatypes in some of the tables on Source and Destination are different (Number on Source and Varchar2 on destination).
Do we have to create any rule or dml handler to handle this or Streams will automatically take care of it?We are oracle 10g.
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Mar 21, 2011
Can we use Materialized views in Streams like how we use tables... ?
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Nov 1, 2013
A streams apply process which applies to a sql sever database is increasing its pga use continually until i stop the process and restart it. I need to stop it once every week or it will use too much of the pga and the database will hand causin paging etc.
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Jun 26, 2013
I encountered the following error while trying to setup streams replication at the database level using dbms_streams_adm.maintain_global. Desmond begin*ERROR at line 1:ORA-23616: Failure in executing block 6 for script.
E00C49DDDB27C899E040A8C04C0119DA withORA-06550: line 21, column 3:PL/SQL: ORA-00942: table or view does not existORA-06550: line 21, column 3:PL/SQL: SQL Statement ignoredORA-06550: line 23, column 3:PL/SQL: ORA-00942: table or viewORA-06512: at "SYS.DBMS_RECOVERABLE_SCRIPT", line 659ORA-06512: at "SYS.DBMS_RECOVERABLE_SCRIPT", line 682ORA-06512: at "SYS.DBMS_STREAMS_MT", line 2427ORA-06512: at "SYS.DBMS_STREAMS_ADM", line 3004ORA-06512: at line 2 SQL> select forward_block from dba_recoverable_script_blocks where script_id = '
[code]....
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Oct 4, 2010
Platform: Windows 2003
Streams Set up: One way Streaming at table level
The error: ORA-26786: A row with key ("REPT_NUM", "STATE_CODE", "SURVEY_ID") = (067305669, 49, J) exists but has conflicting column(s) "DATE_TIME", "PREV_PARENT_ID" in table TOPCATI_JOLTS.UNIT ORA-01403: no data found
We are consistently getting this error every other day and some weeks more often, different records of course. On the capture site the application does a process called split cases. In this process the application will take an old PK case num insert a new PK case number with all of the data of the old case (Parent level). At the unit (Child level) the application will change all of the units to this new FK case number. This means the old case (parent) is left with no child units. This is all one transaction.
Is it possible that streams may be applying the LCR's out of order? especially since that whole process is one transaction.
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Mar 26, 2013
I am trying to setup a one way queue that will be consumed by an inhouse ESB.We currently are able to create a multi-consumer queue using:
CODEBEGIN
DBMS_STREAMS_ADM.SET_UP_QUEUE(queue_table => 'strmadmin.streams_queue_table',
queue_name => 'strmadmin.streams_queue');
END;
but unfortunatly the ESB that we are using uses a jms component which seems to only be able to take mono-consumer queue.So we have created our queue usuing the following
CODEBEGIN
DBMS_AQADM.CREATE_QUEUE_TABLE( Queue_table => '"STRMADMIN"."STREAMS_QUEUE_TABLE"',
Queue_payload_type => 'SYS.ANYDATA',
storage_clause => 'PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 TABLESPACE
[code]...
This therefore permits us to have a queue/queuetable which pushes data to a single consumer.The probleme comes when we try to add a table rule using the following command:
CODEBEGIN
DBMS_STREAMS_ADM.ADD_TABLE_RULES( table_name => 'source.t1',
streams_type => 'apply',
streams_name => 'streams_apply',
queue_name => 'strmadmin.streams_queue',
[code]...
We then get the following error:
CODEORA-06512: on line 2 24039. 00000 - "Queue %s not created in queue table for multiple consumers"
*Cause: Either an ADD_SUBSCRIBER, ALTER_SUBSCRIBER, or REMOVE_SUBSCRIBER procedure, or an ENQUEUE with a non-empty recipient list, was issued on a queue that was not created for multiple consumers.
*Action: Create the queue in a queue table that was created for multiple consumers and retry the call.
We are able to create the capture rule without any problem but without the apply rule, nothing seems to end up into the queue table.AQ is not a viable solution since it is troublesome when it comes to deletes and mass updates.
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Apr 1, 2010
what are the recommended network requirements for implementing Oracle Multi Master replication.
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Oct 8, 2013
I have requirement where replication should be done between two 11gR2 RAC on Standard edition.I have following queries,1. Does Standard edition support DDL capture?
Im asking this because on
[URL]......
it says "SE1/SE: no capture from redo" what that really mean ??2. Can it be possible to configure capture at schema level and skip only some of the tables / triggers ?
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Feb 21, 2013
I have an application that it will have over 200 pages. Each page will have a sidebar region with a number of lists, around 8-10 items. The lists references all pages in the app. Then, if I create a new menu list , I have to include this new list in all pages, it's painful. It's posible to have shared regions between pages like the shortcuts for messages in the user interface elements?
In this way, I will create an unique element including all lists that will be shared through all pages. This will greatly facilitate the work!I'm using Apex 4.1.
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Sep 17, 2008
I need to do a Oracle replication between databases. One resides on Oracle 8i which needs to be replicated to a database on Oracle 10G.
Is oracle replication supported between dissimilar versions of Oracle?
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Apr 9, 2012
I want to configured A Synchronous replication in oracle 8i. Noe using GUI i am bale to create replication but whatever i modify it remain in the transaction i have to manually run the job ,
I also tried to configured continuous asynchronous configuration by setting delay rate 500000. but it was also not working.
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Feb 11, 2010
Is it possible to replicate table data on real time from sql server (2005 32 bit or sql server 2000 32 bit)to oracle 10g running on linux 64 bit? If yes then what are the steps.
It will be one way replication from sql server to oracle. Which option is best sql server dts or Oracle Stream replication to replicate table data.
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Aug 26, 2010
In my production -- we have 3 nodes Primary RAC with 2 Nodes Physical secondary Standby RAC. Due to some reason we will have to failover means 3 nodes Primary Standby RAC to 2 Nodes secondary physical Standby RAC. share Steps for Failover ( not switchover) from 3 Nodes Primary RAC to 2 Nodes Physical Standby RAC. I know this is generic and can be find from google but issue is how can failover from 3 nodes primary standby rac to 2 nodes secondary physical standby rac.
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Sep 4, 2009
i need to set up a central server with all the master tables and two other local database which will hold the updatable materialized view of the master table...the databases must be synchronized with central server..and user will work on the materialized view database...
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Aug 21, 2008
I want to set up advance replication for 3 master site (multimaster) I created 3 master site named orc1,orc2,orc3 and followed up oracle replication management of API book instruction I created 2 tables(tes1,test2) in hr schema in all 3 master site with the same data. then I created the following steps
1-CONNECT repadmin/repadmin@orc1
2-Create the master group named hr_test_repg
BEGIN
DBMS_REPCAT.CREATE_MASTER_REPGROUP(
gname => 'hr_test_repg');
END;
/
4-add tables test1 and test2 to the group
BEGIN
DBMS_REPCAT.CREATE_MASTER_REPOBJECT(
gname => 'hr_test_repg',
type => 'TABLE',
oname => 'test1',
[code]....
I could create DBMS_REPCAT.GENERATE_REPLICATION_SUPPORT for test2 but not for test1 and it produces error
RROR at line 1:
RA-23309: object hr.test1 of type TABLE exists
RA-06512: at "SYS.DBMS_SYS_ERROR", line 105
RA-06512: at "SYS.DBMS_REPCAT_MAS", line 2552
RA-06512: at "SYS.DBMS_REPCAT", line 562
RA-06512: at line 2
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Nov 20, 2010
I create 2 forms
form 1: I used the Departments table to create this form
in form-level trigger : When-New-Form-Instance
go_block('departments');
execute_query;
there is a control block with name (CTRL)
there is Exit button with trigger When-Button-Pressed exit_form
there is a text item to print the department_id that i select this is for confirmation. I populate this item by (department no) button When-Button-Pressed
my_data.department := :departments.department_id;
:CTRL.TEXT_ITEM8:= :departments.department_id;
Now this part has the global shared pl/sql variable when i press in the button POPULATE_AND_SEND with a trigger When-Button-Pressed
my_data.department := :departments.department_id;
OPEN_FORM('c:Shared_PLSQL_Variablesemployees.fmx',ACTIVATE,NO_SESSION,SHARE_LIBRARY_DATA);
form 2 in this form i used employees table it will display the data that is content in the department selected from the first form it only has form-level trigger When-New-Form-Instance
IF my_data.department IS NOT NULL THEN
SET_BLOCK_PROPERTY('employees',DEFAULT_WHERE,'department_id='||to_char(my_data.department));
:CTRL.TEXT_ITEM8:= my_data.department;
GO_BLOCK('employees');
EXECUTE_QUERY;
END IF;
this is the code in .pll file that i attached in Attached Libraries
PACKAGE my_data IS
department number;
END;
when I run this forms and press in (DEPARTMENT NO) button it's not display any thing in the text item I received this error check the link.
same error when i press in POPULATE AND SEND button to open the other window and execute query.
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Sep 4, 2010
Can I do replication between Oracle 10g and 11g?
The Oracle 10g running on windows xp and oracle 11g running on windows 7.
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Aug 4, 2009
I have one 10g database in other country. I want part of their db (selected tables or tablespaces) and import that data to my 10g DB and i want keep to date this data.
I know two ways
1. Data Pump Imp/Emp via FTP, but i can't send only data that have changed (incremental), i must pumping whole selected part of database (i want only new data from their DB, but consistanse with my DB)
2. RMAN etc. or other archivisation tool, i can do incremental achivisation, but can i send files to another instances (my db) and load only that data? Can i do that with SQL*Loader?
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Aug 22, 2010
For using replication in our production, here i am testing golden gate as replication tool. I tested all scenario in Uni direction ( source to destination). Now have to test replication with DDL support in Bi-Direction. Not getting any Doc for doing replication in Bi-direction( Two Way). If any one has done the same, then please share limitation of replication in Bi-direction through Golden Gate.
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Oct 14, 2008
I have 8 databases in a multi master replication. I want to refresh the tables in the replication.
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Jan 28, 2011
I Have configured the replication between two database's at table level. After few miniuts of successful configuration of replication between two db's at table level, I am getting the ORA-00001: unique constraint (%s_PK) violated error in dba_apply_error.
I checked constraint name,type and status on table replicated is same on both source and destination db.
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Jul 26, 2008
I am implementing one-way replication between 2 databases.
Do people leave the target database in archive-log mode? Do they backup the target database?
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Feb 3, 2012
Source DB is logical standby 10.2.0.5
Destination DB is 11.2.0.3
Is it possible to set up streams on the logical DB to replicate some schemas to the 11gR2 DB?
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Jan 28, 2013
We have a core banking database and this database includes our customer related tables and these tables are really huge.
And we have other database for some applications and this database needs fresh customer data which take place in core banking database. Our current method is materialized views but we have some performance problems about it.
What can give better performance for synchronizing the tables between databases?
-oracle streams?
-triggers?
-dbms_comparison?
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Nov 19, 2009
Are there any recommendations to replicate oracle tables from 10.2.0.4 to 9.2.0.6 ?
I am new to oracle, thinking about streams and material views. And not sure which option should we choose ?
Any pros and cons (especially related to the versions). Can I use streams to replicate 10.2.0.4 to 9.2.0.6 ?
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Nov 16, 2010
We have Transactional replication setup between SQL (publisher) to Oracle (Subscriber). Every other week replication will stop and when i look at sql error logs i see the message 0ra-01722. We have engaged microsoft to have a look at this problem and their conclusion is that everything in sql is setup correctly. The dba's managing oracle have as said there are no error messages on their logs. I have compared the datatypes of the table in sql and oracle and everything matched except for the one highlighted in yellow(see attachment). how we can figure out why we keep getting this ora-01722 message.
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