Migrating database from PostgreSql to Oracle 10g

Hi
can anybody help me by providing steps to migrating database from PostgreSql to Oracle 10g. its very urgent requirement. so please let me know if anyone know about this setps.
thanks in advance.
jayesh
cignex technology pvt ltd

NPD wrote:
Hi Guys,
Can one migrate database from sql2005 to Oracle.
Thanx.You can use [Oracle Migration Tool |http://www.oracle.com/technology/tech/migration/workbench/index.html]
Kamran Agayev A. (10g OCP)
http://kamranagayev.wordpress.com
[Step by Step install Oracle on Linux and Automate the installation using Shell Script |http://kamranagayev.wordpress.com/2009/05/01/step-by-step-installing-oracle-database-10g-release-2-on-linux-centos-and-automate-the-installation-using-linux-shell-script/]

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Migrating database from sql2005 to Oracle 9i

Hi Guys,
Can one migrate database from sql2005 to Oracle.
Thanx.

NPD wrote:
Hi Guys,
Can one migrate database from sql2005 to Oracle.
Thanx.You can use [Oracle Migration Tool |http://www.oracle.com/technology/tech/migration/workbench/index.html]
Kamran Agayev A. (10g OCP)
http://kamranagayev.wordpress.com
[Step by Step install Oracle on Linux and Automate the installation using Shell Script |http://kamranagayev.wordpress.com/2009/05/01/step-by-step-installing-oracle-database-10g-release-2-on-linux-centos-and-automate-the-installation-using-linux-shell-script/]

Migration of database from Postgresql to Oracle

We planning to migrate a PostgreSQL database to Oracle. Is there any free tools which can be used for the same.?
Thanks in advance.
Syam Sankar

hello,
check http://otn.oracle.com/tech/migration/content.html
for further information on migrating different types of data to oracle. the easiest way would be to import your foxpro data into microsoft access and then migrate this access-database using the GUI tool you also find at the location mentioned above.
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Migrate datas from RDB to Oracle 10g

The applications that use the RDB database are being re-write with Forms based on an Oracle database.
Of course, before we use the new application, we will have a step for moving datas from old tables in Rdb to the new tables (new design) in Oracle (developpers are working on sql scripts for that). But when the new applications with Oracle db will be in production, I would like to save datas (datas as datas) from Rdb in an Oracle database with the same struture as the rdb structure (same tabels, with same columns and same datas in). The idea is we will be able to verify datas through SQL.
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AnneMar

Hi AnneMar,
there exists a Metalink note that serves as a starter for such a migration:
Note 135929.1: RDBPROD: Advice on Converting from Oracle Rdb to Oracle RDBMS
For your convenience I am pasting that note here.
Regards
Wolfgang
PURPOSE
To provide general advice on migrating from Oracle Rdb to Oracle RDBMS
SCOPE & APPLICATION
This advice is intended for people who have already decided to convert, and are starting to plan how to do it. It provides a broad outline of how it can be done and some of the things to consider.
Advice on Converting from Oracle Rdb to Oracle RDBMS
General notes
* The longer you leave it the easier it is likely to be. The SQL interfaces to Rdb are growing closer to those for RDBMS, particularly OCI Services for Rdb.
* Converting the database will probably be the easy part. The applications are likely to require more work.
* A staged approach is more likely to be successful than trying to do everything in one go.
A possible strategy for converting
1. Install OCI Services for Rdb. Pick a small application, or one that needs rewriting anyway. Convert the application using the method and tools of your choice to access the Rdb database via SQL*Net for Rdb. If unsatisfied with the results, you can repeat this with alternative methods or tools, until you find one that works for you.
2. Install RDBMS. For those tables used by applications converted to use OCI Services, create database links. Point the converted application to the RDBMS database instead of the Rdb one. This step can be done whilst other applications are being converted. No data is yet stored in the RDBMS database, so any problems that arise with it, possibly due to lack of appropriate DBA experience, can be worked around by just pointing the programs back at the Rdb database.
3. Now you have a choice.
1. Gradually move the data into the RDBMS database. First new tables, then tables only accessed by applications that have already been converted. This has the advantage of taking one step at a time, so it would be easy to back up temporarily if a problem is found. The main disadvantage is that now that the data is spread over two databases your backup and recovery strategy will be more complicated.
2. Finish converting the applications. Then transfer all the data over in one go. If there is a lot of data, then going back would be a big job, so there is more risk.
Alternative common interfaces
Besides OCI Services there are several other APIs that applications could use to access Rdb or RDBMS transparently.
* JDBC - If your applications are written in JAVA or you want to rewrite them in JAVA
* ODBC - If your applications run on Windows
* .NET - If your applications run on Windows
Techniques for converting a database
* Transferring Metadata Extract the metadata using RMU/EXTRACT. Cut down and edit the output to produce a script to use to create the corresponding RDBMS objects.
* Transferring data
For small tables,
INSERT INTO rdbms_table SELECT columns FROM rdb_table;
(using dblinks to the rdb database and SQL*Net for Rdb)
For large tables, use RMU/UNLOAD to create a delimited file and then load that into RDBMS using SQL$Loader.
* Keeping data current in RDBMS while testing the transfer can be done using the Logminer Option in Rdb.
Notes
1. OCI Services for Rdb was formerly known as SQL*Net for Rdb and is part of Oracle SQL/Services. Though this is structured as a separate product from Oracle Rdb no additional license is needed.
2. Some limits are different between Rdb and RDBMS.
For example: in Rdb table and column names can be 31 bytes but RDBMS only allows 30.
3. The RMU/EXTRACT command can write the SQL definitions of objects within a Rdb database to a text file.
RELATED DOCUMENTS
SQL*Net for Rdb
Oracle Rdb Guide to SQL*Net for Rdb
Oracle Rdb Oracle SQL/Services Release Notes
Oracle Rdb A Comparison of SQL Dialects for Oracle and Oracle Rdb
RMU/EXTRACT and /UNLOAD
Oracle RMU Reference Manual
SQL*Loader
Oracle8 Server Utilities

Updating test database from production in Oracle 10g

What will be easiest way to have production database replicated to test database once a day basis? The 2 databases are on similar machines & same OS

What sort of test system are you building? Are you building a reporting server so you can run reports on a snapshot of the data? Are you building a staging environment where you can test applying scripts and can simply reapply the DDL changes every day? Or do you have a real testing instance which will generally have slighly different table definitions/ objects/ etc than the production instance?
Justin
Distributed Database Consulting, Inc.
http://www.ddbcinc.com/askDDBC

I had migrated Oracle 10g database from Windows to Oracle 11g Linux

I had migrated Oracle 10g database from Windows to Oracle 11g Linux. The database is performing very slow.
Please guide me where I have to begin (starting point) looking into it.
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Hi,
Let me just point you out to the documentation, which may concern you:
I had migrated Oracle 10g database from Windows to Oracle 11g Linux. The database is performing very slow.
Managing Optimizer Statistics
How to check system statistics is up to date
Managing Optimizer Statistics
What are the crucial initialization parameter ?
Configuring a Database for Performance
Thanks &
Best Regards,

Migration from PostgreSQL to Oracle Database...

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Hi Darmorgan,
I try to search on OTN side about the migration tool but if you have any idea pl. share with me...And about the version details that is :
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Problem:
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Sorry, I did not get it.
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Hi Geo
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http://otn.oracle.com/tech/linux/index.html
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Hi,
In one of our applications, we are using TimesTen 5.1.24 and Oracle 9i
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TimesTen holds application information which needs to be accessed quickly
and Oracle 9i is a master application database.
Now we are looking at an option of migrating from Oracle 9i to Oracle 10g
database. While exploring about Oracle 10g features, came to know about
"In-Memory Database Cache" option for Oracle Enterprise Edition. This made
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Database Cache" option for our application.
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2. Is "In-Memory Database Cache" option integrated with Oracle 10g
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count of processors on which the Cache software could be installed and/or
running? Please assist.
Production box with 12 core 2 duo processors (24 cores)
Pre-production box with 8 core 2 duo processors (16 cores)
Development and test box with 2 single chip processors
Development and test box with 4 single chip processors
Development and test box with 6 single chip processors
Thanks & Regards,
Vijay

Hi Vijay,
regarding your questions:
1. What is the difference between "TimesTen In-Memory Database" and
"In-Memory Database Cache" in terms of features and licensing model?
==> Product has just been renamed and integrated better with the Oracle database - Times-Ten == In-Memory-Cache-Database
2. Is "In-Memory Database Cache" option integrated with Oracle 10g
installable or a separate installable (i.e. TimesTen installable with only
cache feature)?
==> Seperate Installation
3. Is "In-Memory Database Cache" option same as that of "TimesTen Cache
Connect to Oracle" option in TimesTen In-Memory Database?
==> Please have a look here: http://www.oracle.com/technology/products/timesten/quickstart/cc_qs_index.html
This explains the differences.
4. After integrating "In-Memory Database Cache" option with Oracle 10g, data
access will happen only through Oracle sqlplus or OCI calls. Am I right here
in making this statement?
==> Please see above mentioned papers
5. Is it possible to cache the result set of a join query in "In-Memory
Database Cache"?
==> Again ... ;-)
Kind regards
Mike

Licensed version and free download from OTN of Oracle 10g DB

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I hope, my question is clear.
Please, help in solving the doubt.
regards

Hello,
There is no difference whether you download from OTN or get so called licensed copy of oracle software. It's free to download and free to use you are using for personal eduction purpose, but if you are using for commercial purpose then you should contact oracle sales for pricing but you can continue with the same software. See following link for certification on different platform
http://www.oracle.com/technology/support/metalink/index.html
Regards

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Actually I am trying to migrate data from MS Access 2002 to Oracle 9i database through the SQL Developer. But Whenever I go to Capture Database from Access it will show me an error.... Invalid procedure Call and then it shows an error message... >>>>>>
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