Migrating data from Informix 7.2 to Oracle RDBMS

I've got several applications running on an Informix 7.2 database and I need to migrate this data to an Oracle 8.1.7.4 database. Is there a gateway product available to aid with getting this data migrated. We tried Oracle Migration Workbench but Informix 7.2 is not supported. Any help with getting this done is appreciated. I don't want to keep these apps on Informix!!!

You can use Generic Connectivity. It is a free feature of the database available on Windows, HP, AIX and Solaris and Linux (v10g).
There is also the transparent gateway for Informix however it is not certified with Informix 7.2. It is certified with 7.3 and higher.

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Migrate data from PostgreSQL 7.2 to oracle 9i on Linux

Kindly guide me on how to migrate data from PostgreSQL 7.2 to oracle 9i on Linux. Please provide me a performance comparision between Orcle 9i on Linux and on windows 2000
thanks

Hi Geo
We do not currently have tools to support Postgres to SQL migration. However, there are tools currently under developement which may help you in the future. In the meantime, there are some useful articles on postgres.org web site. See http://archives.postgresql.org/pgsql-sql/2002-10/msg00352.php
We do not have comparison docs bertween Oracle on UNIX and Oracle on Windows as the the main code base is identifical. There are some artchitectural changes on windows where Oracle background processes have been implemented as threads and are installed as Windows services. More information on the architectures on both platforms can be found on the following sites:
Oracle on Windows
http://otn.oracle.com/tech/windows/index.html
Oracle on Linux
http://otn.oracle.com/tech/linux/index.html
http://oss.oracle.com
cheers
Jan

Migrating Data from Informix to oracle

Is it advisable to migrate the whole schema from Informix database to Oracle 10g or migrate each table using sqlldr. If the data model is not exactly same then can we export data from informix and import the dump file in Oracle 10g.

You can use Generic Connectivity. It is a free feature of the database available on Windows, HP, AIX and Solaris and Linux (v10g).
There is also the transparent gateway for Informix however it is not certified with Informix 7.2. It is certified with 7.3 and higher.

How to only migrate data from SQL Server 2008 to Oracle 11?

According to our requirement, We need to only migrate data from a SQL Server database to an existed
Oracle database user.
1) I tried to do it with SQL Developer 3.0.04 Migration Wizard, But find an issue.
My SQL Server database name is SCDS41P2, and my Oracle database user name is CDS41P2;
When I used SQL Developer to do offline move data by Migration Wizard, I found all oracle user
name in movedata files which gotten by run Migration Wizard
is dbo_SCDS41P2. If the Oracle user name is not the same as my existed Oracle user name,
the data can't be moved to my existed Oracle user when I run oracle_ctl.bat in command line window.
So I had to modify the Oracle user name in all movedata files, but it's difficult to modify them because there are many tables in
databases. So could you please tell me how to get the movedata files which the oracle user name in them is my
expected Oracle user name?
2) I also tried to use the 'copy to Oracle' function to copy the SQL Server database tables data
to the existed Oracle database user. When clicked 'copy to Oracle', I selected 'Include Data' and 'Replace' option
But I found some tables can't be copied, the error info is as below:
Table SPSSCMOR_CONTROLTABLE Failed. Message: ORA-00955: name is already used by an existing object
Could you please tell me how to deal with this kind of error?
Thanks!
Edited by: 870587 on Jul 6, 2011 2:57 AM

Hi,
Thanks for you replying. But the 'copy to oracle' function still can't be work well. I will give some info about the table. I also search 'SPSSCMOR_CONTROLTABLE' in the target schema, and only find one object. So why say 'name is already used by an existing object'? Could you please give me some advice? Thanks!
What is the 'Build' version of your SQL*Developer ?
[Answer]:
3.0.04
- what does describe show for the SPSSCMOR_CONTROLTABLE in SQL*Server ?
[Answer]:
USE [SCDS41P2]
GO
/****** Object: Table [dbo].[SPSSCMOR_CONTROLTABLE] Script Date: 07/18/2011 01:25:05 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[SPSSCMOR_CONTROLTABLE](
     [tablename] [nvarchar](128) NOT NULL,
PRIMARY KEY CLUSTERED
     [tablename] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]
GO
- what does describe show for the SPSSCMOR_CONTROLTABLE in Oracle ?
[Answer]:
-- File created - Monday-July-18-2011
-- DDL for Table SPSSCMOR_CONTROLTABLE
CREATE TABLE "CDS41P2"."SPSSCMOR_CONTROLTABLE"
(     "TABLENAME" NVARCHAR2(128)
) PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
-- DDL for Index SYS_C009547
CREATE UNIQUE INDEX "CDS41P2"."SYS_C009547" ON "CDS41P2"."SPSSCMOR_CONTROLTABLE" ("TABLENAME")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ;
-- Constraints for Table SPSSCMOR_CONTROLTABLE
ALTER TABLE "CDS41P2"."SPSSCMOR_CONTROLTABLE" MODIFY ("TABLENAME" NOT NULL ENABLE);
ALTER TABLE "CDS41P2"."SPSSCMOR_CONTROLTABLE" ADD PRIMARY KEY ("TABLENAME")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "USERS" ENABLE;
Edited by: 870587 on Jul 18, 2011 1:42 AM

Reg. Migrating data from SQL Server 2000 to Oracle

Hi All,
I need to migrate a same data from SQL Server 2000 to Oracle 9i.In sql server Export option is there, but the problem is some 30 tables have More than one LONG datatype column in a table. That's why oracle not allow to import.
Could you guys find any tool for the same.
Please do the needful.
Thanks & Regards,
Prathap

hi dermot,
it's very urgent now. Can you please give any solution for this.
and also i tried the SQL developer tool. But i got an below error,
Error starting at line 2 in command:
CREATE USER dbo_testdatalatest IDENTIFIED BY dbo_testdatalatest DEFAULT TABLESPACE USERS TEMPORARY TABLESPACE TEMP
Error at Command Line:2 Column:45
Error report:
SQL Error: ORA-01031: insufficient privileges
01031. 00000 - "insufficient privileges"
*Cause:    An attempt was made to change the current username or password
without the appropriate privilege. This error also occurs if
attempting to install a database without the necessary operating
system privileges.
When Trusted Oracle is configure in DBMS MAC, this error may occur
if the user was granted the necessary privilege at a higher label
than the current login.
*Action:   Ask the database administrator to perform the operation or grant
the required privileges.
For Trusted Oracle users getting this error although granted the
the appropriate privilege at a higher label, ask the database
administrator to regrant the privilege at the appropriate label.
Error starting at line 3 in command:
GRANT CREATE SESSION, RESOURCE, CREATE VIEW TO dbo_testdatalatest
Error report:
SQL Error: ORA-01031: insufficient privileges
01031. 00000 - "insufficient privileges"
*Cause:    An attempt was made to change the current username or password
without the appropriate privilege. This error also occurs if
attempting to install a database without the necessary operating
system privileges.
When Trusted Oracle is configure in DBMS MAC, this error may occur
if the user was granted the necessary privilege at a higher label
than the current login.
*Action:   Ask the database administrator to perform the operation or grant
the required privileges.
For Trusted Oracle users getting this error although granted the
the appropriate privilege at a higher label, ask the database
administrator to regrant the privilege at the appropriate label.
Error starting at line 4 in command:
CREATE USER epm_testdatalatest IDENTIFIED BY epm_testdatalatest DEFAULT TABLESPACE USERS TEMPORARY TABLESPACE TEMP
Error at Command Line:4 Column:45
Error report:
SQL Error: ORA-01031: insufficient privileges
01031. 00000 - "insufficient privileges"
*Cause:    An attempt was made to change the current username or password
without the appropriate privilege. This error also occurs if
attempting to install a database without the necessary operating
system privileges.
When Trusted Oracle is configure in DBMS MAC, this error may occur
if the user was granted the necessary privilege at a higher label
than the current login.
*Action:   Ask the database administrator to perform the operation or grant
the required privileges.
For Trusted Oracle users getting this error although granted the
the appropriate privilege at a higher label, ask the database
administrator to regrant the privilege at the appropriate label.
Error starting at line 5 in command:
GRANT CREATE SESSION, RESOURCE, CREATE VIEW TO epm_testdatalatest
Error report:
SQL Error: ORA-01031: insufficient privileges
01031. 00000 - "insufficient privileges"
*Cause:    An attempt was made to change the current username or password
without the appropriate privilege. This error also occurs if
attempting to install a database without the necessary operating
system privileges.
When Trusted Oracle is configure in DBMS MAC, this error may occur
if the user was granted the necessary privilege at a higher label
than the current login.
*Action:   Ask the database administrator to perform the operation or grant
the required privileges.
For Trusted Oracle users getting this error although granted the
the appropriate privilege at a higher label, ask the database
administrator to regrant the privilege at the appropriate label.
Error starting at line 6 in command:
CREATE USER lportal_testdatalatest IDENTIFIED BY lportal_testdatalatest DEFAULT TABLESPACE USERS TEMPORARY TABLESPACE TEMP
Error at Command Line:6 Column:49
Error report:
SQL Error: ORA-01031: insufficient privileges
01031. 00000 - "insufficient privileges"
*Cause:    An attempt was made to change the current username or password
without the appropriate privilege. This error also occurs if
attempting to install a database without the necessary operating
system privileges.
When Trusted Oracle is configure in DBMS MAC, this error may occur
if the user was granted the necessary privilege at a higher label
than the current login.
*Action:   Ask the database administrator to perform the operation or grant
the required privileges.
For Trusted Oracle users getting this error although granted the
the appropriate privilege at a higher label, ask the database
administrator to regrant the privilege at the appropriate label.
Error starting at line 7 in command:
GRANT CREATE SESSION, RESOURCE, CREATE VIEW TO lportal_testdatalatest
Error report:
SQL Error: ORA-01031: insufficient privileges
01031. 00000 - "insufficient privileges"
*Cause:    An attempt was made to change the current username or password
without the appropriate privilege. This error also occurs if
attempting to install a database without the necessary operating
system privileges.
When Trusted Oracle is configure in DBMS MAC, this error may occur
if the user was granted the necessary privilege at a higher label
than the current login.
*Action:   Ask the database administrator to perform the operation or grant
the required privileges.
For Trusted Oracle users getting this error although granted the
the appropriate privilege at a higher label, ask the database
administrator to regrant the privilege at the appropriate label.
Error starting at line 8 in command:
connect dbo_testdatalatest/dbo_testdatalatest;
Error report:
Connection Failed
Commit
Regards,
Prathap.R

Migrating data from .dbf and excel to Oracle 9i

I have a large amount of data in in .dbf files and excel worksheets can anyone suggest a way to transfter the data to Oracle database, is it possible? are their any tools? or any migration technique?
please give your comments.
Thanks,
Imran Ahmed.

I have a perl script that generates SQl file to create suitable tables in oracle schema .. no indexes however, dumps dbf files for sqlloader and prepares sql loader control file
Another script generates hige .sql file that is doing the same thing without sql loader int consist of
drop table ...
create table ...
insert
insert
insert...
commit;
mail me at nivanchev 'at' icygen.com if interested. I will send you the code (perl, requires Xbase module)

Migration Issues from Informix to Oracle (datetime format)

Hello, i am performing a Migration from Informix to Oracle, drive by Migration Workbench, i have an error migrating data from datetime and date fields. I suppose its related by datetime and date format, cause the error tells "Incorrect day or month" when i am migrating data from informix. Targets Oracle database date format is DD/MM/YYYY and source`s Informix database date format like MM/DD/YYYY. Is there any way, in OMW, to specify the mask of datetime or date format to convert date strings from informix to oracle format? Or have i got migrate offline and modify control file to do that with sql*loader?
How can i do that?
Example, especify to_date('....', 'MM/DD/YYYY H24:MI:SS') format for migrating informix datetime fields to Oracle.

The problem i have is, several tables witch contains date and datetime fields, at the same table in informix, by migrating drive by omwb to oracle, the date format i receive from informix at reading is DD/MM/YYYY and datetime format receiving is HH24:MI:SS. Migrating date and datetime types from informix to date, both types to date in oracle, i get an error while matching DD = HH24, MM = MI and YYYY = SS where nls_date_format is DD/MM/YYYY and, the same error matching HH24 = DD, MI = MM and SS = YYYY when nls_date_format is HH24:MI:SS.
If i set nls_date_format as "DD/MM/YYYY HH24:MI:SS" i get the same error, cause reading data from informix results in data format "DD/MM/YYYY" for date fields and "HH24:MI:SS" for datetime fields.
I have more than 200 tables in informix with this problem to migrate to oracle, i can solve by migrating offline, modifying datacontrol file to casting to_date format, but over 200 tables, 200 datacontrol files... is there any way for solving that by online migration in omwb?

What methods are available to migrate Data from MS SQL to Oracle DB 11g.

Hi,
Need to know the No of ways/ Techniques via we can Migrate data from MS SQL Server to Oracle DB 11g.
Thanks ,
NL

hi,
i came across this link in oracle demos :
http://st-curriculum.oracle.com/obe/db/hol08/sqldev_migration/mssqlserver/migrate_microsoft_sqlserver_otn.htm
the migration process using sql developer
br,
mrak

Migration data from SAP DB2 to Oracle 10g

Hi , I am assigned to migrate data from SAP system which is using DB2 to Oracle 10g.I not very familiar with SAP. I hope someone can help me., especially for those familiar in SAP.
Please help me.
thanks
jebatco

Hello,
just migrating a DB2 database to Oracle 10g might be an easy task. The Oracle Migration Workbench is the tool for such a migration:
http://www.oracle.com/technology/tech/migration/workbench/index.html
I have no idea about SAP, and that might complicate the picture. But there exist specialists for this task:
Oracle Expertise in the SAP environment
The Solution Center SAP Support and Service – located in Walldorf – offers SAP
customers the following services:
• Advanced Customer Services (ACS)
• Performance Analysis and Tuning
• Development of concepts for Backup/Restore/Recovery, and High Availability,
Administration
• Security concepts
• Optimizing of ABAP/4 programs (performance improvement)
• Migration service for customers, who want to use Oracle as the database for SAP
applications (from Informix, MaxDB, DB2, or SQL Server to Oracle).
• Migration services from “Oracle to Oracle” (e.g. Tru64 to HP_UX)
• Integration-Products and –Services
• Oracle Database: The Database of Choice for Deploying SAP Solutions
This is taken from http://www.oracle.com/newsletters/sap/docs/ora4sap-db-of-choice.090213.pdf
Best regards
Wolfgang

Migration from Informix 9.4 to Oracle 10g

We have to perform a migration from Informix 9.4 to Oracle 10g. Many tables, many data and many stored procs.
We use the Online mode and the imports finish with any errors, but it has not recovered any stored procedures or we can't view the Informix Stored Procedures in the Source Model in the workbench.
In the importation log appears as no found procedures, but under owner informix are all procedures.
What we can do?

In the 10.1.0.4 version of the workbench we create an informix user who will have all the stored procedures.
If you want these migrated as another user you can right click on the user in the oracle model and rename it for a start.
If this is a large migration, I would recommend the following.
1. generate the ddl for the oracle database.
2. for the users, that will be created, move the objects to the users that you want these in.
3. Make sure that the privileges that a particular user has is appropriate to use the data and execute the stored procedures if necessary.
This tool is not just a one shot deal.. It will bring the informix db over to Oracle, but you need to verify the structure and the logic of the stored procedures as being correct.
Barry

Migrating from Informix 9.4 to Oracle 9.2

Hi
I need to migrate a database from Informix 9.4 to Oracle 9.2.
There are a third-part application that must be migrated that always run in Oracle databases in others customers.
I have a script (supplied for the third) to create the objects in Oracle (+- 1200 tables that will be created only with PKs to improve performance).
My question is: Can I use the migration workbench only to load the data (45 GB)? If no, what can I do to minimize the work?

Hello,
Yes this is possible. You need to capture your source Informix database and map it to the Oracle Model using the Migration Workbench. Then you can generate the data unload scripts and SQL*Loader scripts to get the data our of your source database and into the destination Oracle database. For more information on how to do this, please see Chapters 4, 5 and 6 in the Oracle Migration Workbench User's Guide. You can find this document on the OTN Web site at:
http://download.oracle.com/docs/html/B15857_01/toc.htm
Regards,
Jocelyn

Migrate data from orcle to oracle

Hi ,
A) Using oracle workbench tool can we migrate data from oracle 9i to oracle 10g ?
B) Is this tool used only for migrating data from non-oracle source to Oracle db ?
regards
thiru

Dear Barry
Thanks for the valuable information provided, it had answered few of my doubts.
i am much thankful to you if you can help me in this regards.
Does Oracle own any GUI based tool similar to Microsoft-DTS to Extract & transform data from one Oracle DB to other Oracle DB ?
The source DB (oracle 9i) is not properly normalized , the data from source is moved to a Normalized 10g DB with new attributes(based on new requirements) added to these tables . Some tables from source are splitted into 2 or more in target (oracle 10g) database. I have scenarios like
My text below quotes "SOURCE" AS UNNORMALIZED DB & "TARGET" as new DB which is NORMALIZED.I need to migrate data from SOURCE to TARGET
1) A single row in SOURCE be migrated to multiple rows across one or more
tables in TARGET.
2) A multiple rows in single column in SOURCE be migrated to single row and
multiple columns in TARGET.
For the above mentioned scenario sql*loader /external table/export & import or transportable tablespaces can be used as mentioned by you. but considering the ease of use and the complexity is there any GUI tool which oracle has for data migration from oracle db to oracle db.
your advice will be much help to me.
Thanks
Thirumaran

How can I migrate data from SQL Server 6,5 to Oracle 8?

We have a web site based on Microsoft SQL Server 6.5.Now we plan
to migrate the database to Oracle 8.
We have redesigned the tables structure and created tables under
Oracle 8, so we only need to migrate data from SQL Server.
We've exported data from SQL Server to text files.
How can we import data from files and restore to Oracle tables.
Is there a solution which let us to import data for particular
table columns,not all columns?
We'll be appreciated if somene can give suggestions.
Regards
Michael
null

Thank you for your reply.
I'll try the Oracle sqlloader utility first.
Regards
Micahel
Oracle Migration Workbench Team wrote:
: Michael,
: Oracle sqlloader is user for this sort of operation, see
: Oracle8i Utilities
: Release 8.1.5
: A67792-01
: available online through Oracle Technology Network.
: The Oracle Migration Workbench can be used to create bcp and
: sqlloader scripts, though since you have altered the schema
these
: scripts would need to be altered by hand after generation.
: Some thought has been put into redesigning table structures in
: the Oracle Migration Workbench, but currently it looks like
this
: reengineering will be left to be done by other tools, eg
Oracle
: Designer, once the SQLServer database has been duplicated with
as
: little change as possible onto Oracle.
: Hope that helps,
: Turloch
: Oracle Migration Workbench Team
: Michael (guest) wrote:
: : We have a web site based on Microsoft SQL Server 6.5.Now we
: plan
: : to migrate the database to Oracle 8.
: : We have redesigned the tables structure and created tables
: under
: : Oracle 8, so we only need to migrate data from SQL Server.
: : We've exported data from SQL Server to text files.
: : How can we import data from files and restore to Oracle
tables.
: : Is there a solution which let us to import data for
particular
: : table columns,not all columns?
: : We'll be appreciated if somene can give suggestions.
: : Regards
: : Michael
: Oracle Technology Network
: http://technet.oracle.com
null

Migrating data from Oracle 9i to SQL Server 2005

I am new to both. I need to first migrate data from oracle to sql server. After this I need to create a daily nightly batch process to insert new records from oracle to sql server into that table.
As my knowledge in SQL server is zero. Can somebody help me how I can accomplish this.
Somebody told me that I can use sql server import/export to do initial data dump into sql server and after that I can create a link in in oracle to do new iserts for new records. does any one have some example on this. I will really apprecite this if someone can give me step by step example. Thanks

I have been to SQL Server training, but my SQL server databases are off the shelf system, so I don't have to muck with them. Anyway, Sql Server is just MS Access on steroids, so some of the same concepts apply. You need to create an external table links to oracle. The following tidbits I found by googling might help you.
http://www.sqlmag.com/Article/ArticleID/22264/sql_server_22264.html
http://www.lazydba.com/sql/1__152.html
http://www.sswug.org/see/35034
http://decipherinfosys.wordpress.com/2007/07/16/linked-servers-in-sql-server/
Some of the above require subscriptions (free and or paid). Hope this helps.

Faster way to migrate data from SQL Server to Oracle 10g

We have to migrate data from SQL Server to Oracle 10 g.
One particular table on SQL Server has records around 1.25 millions.
We tried moving data using DTS package, but looks it will take hours with current speed of 300 records/minute.
This table has TEXT column, which has XML strings stored. I am not sure, if this is the reason for slow migration.
Would you please suggest better options to migrate it faster?
Thanks in advance !!!

Have you tried Migration work bench?

Migrating data from Informix 7.2 to Oracle RDBMS

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