Replication :: Replicate To 2 Database Using Snapshots Log?
Dec 4, 2007
I have a table MYTABLE in database mydb1 duplicated via materialized view and materialized view log and refresh_snapshot commands to a MYTABLE on mydb2 database.
I like to duplicate this table MYTABLE to a third database mydb2, using the same method (materialized view and refresh_snapshot command).
Is it possible ? What's hapend to the materialized view log where I launch a refresh_snapshots on mydb2 ? How is this materialized view log truncated ?
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Aug 27, 2012
How can i add exttrail to a replicate?
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Aug 3, 2012
I need the steps to replicate one schema to other system. I am using standard edition one 11gR2. Necessary steps to implement (basic replication).
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Mar 30, 2011
I told about Oracle multi master replication below.
Can I replicate some objects of "X" schema at A server to "Y" schema at B server using MM replication?
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Nov 11, 2008
I have a table in one database and I want to replicate it in another two databases with materialized views. The refresh may be fast. Is this possible?
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Oct 17, 2007
Implemented the Golden Gate replication tool? In particular, to replicate data from Oracle to Sybase?
No details are needed, just a quick nod indicating "yes, it has been done successfully".
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Apr 22, 2008
i work in an application that should make the replication from a publusher table to a remote subscribe table, using snapshot,and trigger, replication data of update works perfectly (update,insert,delete), but when i try to add or dropp a clumn in the publisher table, repplication fail, i know that my method d'ont replicate ddl statment like create or alter table, so i would like the better way to do the replication of the ddl statment without loosing tha data in the subscribe table, i'm working with oracle XE,
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Feb 7, 2013
Let's say we have Table - A and we would like to replicate specific row transaction to Table B.
Here are the rows in *Table A*
Time: Lets say 15:00
A1 Just Updated @15:00
A2 Just inserted @15:01
A3
B1 - Daily Delete Row -i.e just deleted a while back - Non scheduled process --executed by application @15:02
B2 -
B3 - Daily Delete Row - i.e just deleted a while back -- Non Schduled process --executed by application @15:05
B4 - Just recently purged (As part of 180 Day purge ) - Scheduled process executed by operations team @15:10
B5 - Just recently purged (As part of 180 Day purge ) - Scheduled process executed by operations team @15:10
B6 -Just recently purged (As part of 180 Day purge ) - Scheduled process executed by operations team @15:10
Current Data in Table B (Before Replication) @15:00
A1 (without updates)
A3
B1
B2
B3
B4
B5
B6
Expected rows in Table B (via replication/snapshot/materialized view / or any other method)
*Replication at 15:30*
Table B - Read Only
Expected rows after replication-
A1 -- Newly updated details
A2 -- Newly inserted row
A3
B1 - Daily delete row is expected to be replicated
B2
B3 - Daily delete row is expected to be replicated
***Note row B4 is not expected to be replicated to table B.
Questions:
1) How can we get updates, inserts and daily deletes replicated while ignore large purges?
2) How can large purge changes be reflected in replicated tables as well without deleting daily deletes?
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Mar 23, 2007
I want to replicate my Oracle XE database in Oracle 10G. Is their a 'simple' way to do that? I know that XE does not have server backup.
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Jan 31, 2013
I Have one oracle user ABC which is having 10 Tables.
Now i want to create replica of this user XyZ which can access only 5 tables from . This user having All access.
Example :
Any DML changes made in XYZ these changes should be reflected in ABC user. and vice a versa.
How can i achive this in ORACLE DB.
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Sep 4, 2013
I have a package called getEmpData in database orcl. I want to move/creat the same package on other database called ora. I want to do/simplyfy this work through PLSQL DEVELOPER.
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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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Oct 9, 2012
i just noticed on my 11g database - no AWR snapshots are generated.
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Oct 20, 2010
The sqlcache is getting over-written.I would like to capture information from AWR snapshots and feed those (as a workload) into the DBMS_ADVISOR.I can't see where it's possible (other than manually creating my workload from AWR information)
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Mar 5, 2013
How can check database performance in a non-sequential parts of a day using AWR tool. For example, suppose we divide a day to 2 parts: low-traffic time and high-traffic time with the following time interval:
low-traffic time : 7:00am - 10:00am and 7:00pm - 11:00pm
high-traffic time : 10:00am - 01:00pm and 4:00pm - 06:00pm
I want to examine performance using snapshots gathered by AWR. If I get 2 AWR reports for low-traffic time of day (one for 7:00am - 10:00am, another for 7:00pm - 11:00pm ) and compute average of values in 2 reports, could I called it database performance in low-traffic part of day or not?
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Nov 29, 2010
Simplifying the data structure that my problem concern, let's say there are two materialized views between whose data there's a one-to-many relationship [the relationship can be logical without a need of creating any foreing keys].
The data should be as actual as possible respecting the content of the master tables, let's say it shoul be refreshed every 5 minutes.
As far as I know, the jobs related to each snapshot, even if they have a START WITH and NEXT parameter set to the same value, work independently...So: what would be the best manner to synchronize the jobs so as to make sure the data of both snapshots are coherent?
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Aug 11, 2010
If I create an AWR Report via OEM or awrrpt.sql for an interval between two snapshots, in the report there are statements which were not executed in this interval.
Are there any known bugs for that problem or have you got an explanation for this behavior?
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Nov 22, 2010
I have some questions about Oracle + EMC shared storage. I have Oracle 11gR1 RAC (2nodes) + ASM environment with shared shorage EMC Clariion AX4.
The database is running no archivelog mode. I'd like to implement point-in-time recovery using Snap View snapshots.
Currently my AX4 platform has the following LUNS:
LUN1 - registry 1
LUN2 - registry 2
LUN3 - vote 1
LUN4 - vote 2
LUN5 - vote 3
LUN6 - ASM - DISKGROUP DATA DISK DATA01 (actual db datafiles)
LUN7 - ASM - DISKGROUP DATA DISK DATA02 (actual db datafiles)
Using source LUNs in consistent session will take sync snapshots of all the LUNs working against my database. Once something happens with database, the LUNs can be returned to specific point in time when snapshot consistent session was taken and I'm expecting the database will up and continue to work.
Questions:
1. Is my approach correct at all? (The database is running noarchivelog mode, not dealing with hot backups. The recovery point in time implemented purely via EMC snapshot consistent sessions.)
2. The AX4 platform has a limit 8 source LUNs in session. If I understand it correctly, I can't place more than 8 LUNs in session. What will be the workaround if my database will occupy more than 8 LUNs, I'd like to take their consistent snapshot; for example:
LUN1 - registry 1
LUN2 - registry 2
LUN3 - vote 1
LUN4 - vote 2
LUN5 - vote 3
LUN6 - ASM - DISKGROUP DATA DISK DATA01 (actual db datafiles)
LUN7 - ASM - DISKGROUP DATA DISK DATA02 (actual db datafiles)
LUN8 - ASM - DISKGROUP DATA DISK DATA03 (actual db datafiles)
LUN9 - ASM - DISKGROUP DATA DISK DATA04 (actual db datafiles)
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Jul 26, 2012
I want to setup one way replication in oracle 10g Database.
Example: There are 2 database in two locations.DB1 and DB2.
DB1 need to get data from DB2 every one hour and update in DB1 database.
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Dec 25, 2007
Is it possible to create replication on same database with different schema ?
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Jul 26, 2011
How I can maintain a replication scheme from a production database and a standby. I was watching the advanced replication methods of Oracle, but what I want is in the evening to run a process and modify the database incrementally and thus leave until the next night.
And the server I want to allocate to the standby database, also implements other processes, so my settings would be:
Production: Oracle Database 11g Linux 5.5
Standby: Windows 2003 Database 11g
Maybe that data is important, let me make clear that what I want is that the database is updated incrementally.
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Apr 8, 2012
There is a database db1 which has user U1 in in it contains T1 as table.
Likely,
There is also another database db2 which also has a user named U2 containing table T2 in it.
Now
I want to use the concept of JOINS and Join Table T1 of database named DB1 and Table T2 of database named DB2 and access from database named DB3 using Materialized View Concept.
what shall i do to access tables of DB1 and DB2 from database DB3 using Materialized View.
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Oct 29, 2010
I am planning to move the databases in multi master replication from HP-Ux to AIX server. I am planning to use export/import to moving the database. But do I need to drop the replication administrator user before I do export/import?
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Aug 30, 2013
I am implementing GG 11g r2 for 12C database. But i am getting below error. My question Why Goldengate needs specific package ... Since this is homogeneous & heterogeneous.
/u01/12c_database_software/goldengate/dirtmp.
2013-08-30 05:28:44 INFO OGG-01513 Oracle GoldenGate Capture for Oracle, ext1.prm: Positioning to Sequence 66, RBA 25067536, SCN 0.0.
2013-08-30 05:28:44 ERROR OGG-01028 Oracle GoldenGate Capture for Oracle, ext1.prm: ORA-06550: line 1, column 7:
PLS-00201: identifier 'SYS.DBMS_INTERNAL_CLKM' must be declared
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored.
2013-08-30 05:28:44 ERROR OGG-01668 Oracle GoldenGate Capture for Oracle, ext1.prm: PROCESS ABENDING.
Database details
----------------
SQL> select object_name, object_type from dba_objects where object_name='DBMS_INTERNAL_CLKM' and object_type in ('PACKAGE');
no rows selected
SQL> select object_name, object_type from dba_objects where object_name='DBMS_INTERNAL_CLKM';
no rows selected
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Jun 14, 2013
I have a requirement where i need to replicate the for loop functionality through sql query.In pl/sql i can achieve this through cursors or for loop but is there any way to do or replicate the same functionality in sql queries . For example i want to repeat the operation for set of records or iterate through set of records and fire query accordingly .Is it possible through sql query
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Sep 7, 2010
we have four location, four database server separately, we need to synchronize all the servers.
for example. all the server having table parts. if the parts_count column change in server. it should be change all the four servers.
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Jan 12, 2011
I have a clients who currently implementing an application that using Oracle 10g in 20 distributed location. Each location will have its own database server and locally managed. I plan to create a Disaster Recovery (DR) Centre for this client in centralised location. I plan to setup 20 Application Server but only one database server with 20 instances. My question, can the Dataguard manage the replication between 20 database (with single instances) and single database (with 20 instances? The reason we design such way is to reduce the license cost of Oracle.
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Jan 2, 2010
I need to create same database replica in 25 systems. Which method can i use for that...each servers will hold exactly same data and structures
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Feb 7, 2013
There are 2 databases, database A and database B. Database A is Oracle 11.2.0.2 which runs on linux and Database B is Oracle 11.2.0.2 which runs on windows xp machine. In database A, there are 100's of tables which are being updated every 10 minutes or 15 minutes. For reporting purpose, the developer wants to run report for the tables. But since database A is being updated every now and then, generating reports takes almost 15 to 20 minutes. So the reports can be generated in Database B. Once in a day the database B should have the updated data from database A so that the reports can be generated in database B with less time. What could be the best solution for the database B to have the updated data on daily basis from database A in oracle?
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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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