Multi Language Character sets

Does anyone know if the oracle odbc drivers support multi language character sets?
I am trying to retrieve Chinese (prc) characters from the database (it is stored correctly and I have the Microsoft Multilanguage service pack installed). Odbc won't retrieve them correctly (actually stops after 1 row).
If I use the OLE DB driver, it does retrieve them. Is there a converter inside the OLE DB driver that ODBC doesn't have or is there a setting I'm missing? (The tool I want to use this with does not recognize OLE DB, is there a way top make it use oledb but defining an odbc connection??)
Cheers
Chris

The version number you're providing doesn't seem to make any sense to me. Oracle's ODBC drivers are versioned to match the version of the Oracle client they work with, i.e. 8.1.7.8 is the latest Oracle ODBC driver for the 8.1.7 Oracle client. In the Oracle 7 days, there was a 2.5x series of Oracle ODBC drivers. So far as I'm aware, there's never been a 4.x series of Oracle ODBC drivers.
AMERICAN_AMERICAN.UTF8 would be the option I'd tend to prefer on the client, particularly if you'll be working with more than just Chinese data (i.e. English & Chinese). I'm not sure what AMERICAN_AMERICAN.<some Chinese character set> would end up doing. There's a lot of info out there about NLS settings (including an NLS discussion forum) that might be helpful to you.
What OLE DB provider are you using that works?
Justin

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Hello,
I'm trying to migrate one schema, including data, from a 10g (10.1.0.2.0) DB with IW8ISO8859P8 character set, to a 10g (10.2.0.1.0) DB with AL32UTF8 character set.
The original tables are using VARCHAR2 columns, including some VARCHAR2(1) columns.
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Message was edited by:
Pierre Forstmann

Multi byte character set

Hi,
I am going to create a oracle 8i database in linux OS.In that i want to set english, italian and chinese language.
My question is
1. what are the parameter to be set in the OS level for this multi byte characterset
2.how to set these characterset in database level at the time of creation.
3.and also i am going to migrate one database to the new database. but the old one contains only english and italy. so while migration what are the parameter we have to set in the new database.
Kindly provide some solutions..
rgds..

1) I'm not sure what you're asking here.
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Hi,
I am looking into enhancing the application I have built in Oracle to save/display data in Chinese & English. I have looking into how to change the character set of a database to accept different languages i.e. different characters.
From what I understand I can create a database to use a Chinese character set (apparently English ascii characters are also a part of any Chinese character set) or I can set the database to use a unicode multi-byte character set (UTF8) - which seems to be okay for all languages.
Has anyone had any experience of a) changing an existing standard 7 byte ascii database into database which can handle Chinese and/or b) the difference/ implications between using a Chinese and unicode character sets.
I am using Oracle RDBMS 8.1.7 on SuSE Linux 7.2
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Risk involved converting Oracle character set to Unicode (AL32UTF8 or UTF8)

Hi All -
I am a PL/SQL devloper and quite new in Database Adminstration have very little knowledge base on this.
Currently I am working on project where we have requirement to store data in Multiple Languages in Database.
After my findings via Google I am clear that our database character set needs to be changed to Unicode (AL32UTF8 or UTF8). Before moving forward I would like to know what are the risk involved doing this?
Few Question:-
Would this change take long time & involve lots of effort ?
Can we revert back once this chnage is done, with no data loss?
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Thanks...
Edited by: user633761 on Jun 7, 2009 9:15 PM

>
Will there be any changes required while wrting SQL on tables having multi language data?If you move from single byte character set to multi byte character set, you should take into count that 1 character my use 1,2,3 or 4 bytes to be stored: http://download.oracle.com/docs/cd/B19306_01/server.102/b14225/ch2charset.htm#i1006683
This may impact SQL or PL/SQL code that is working on character string lengths.
Note also that using exp/imp to change database character set is not so simple; see following message:
Re: charset conversion from WE8ISO8859P1 (8.1.7.0) to AL32UTF8(9.0.1.1)
>
As of now requirement to store data in Multi Language is very specfic to some tables only, not the whole DB, are there any other options storing data in diffrent languages like (Spanish,Japnese,Chinese,Italian, German, and French) in just one specific table?Using NCHAR character types is another possibility:
http://download.oracle.com/docs/cd/B19306_01/server.102/b14225/ch11charsetmig.htm#sthref1493
Edited by: P. Forstmann on Jun 8, 2009 9:10 AM

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Hi,
We have datawarehouse environment..
Currently the NLS Character set in our database is WE8MSWIN1252 which is non multibyte character set.But since this is a datawarehouse environment datawill be coming from source which is multi byte character set.Could you please let us know whether this will be supported in WE8MSWIN1252 character set or not??
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user10124609 wrote:
For changing the NLS character set by export and import do we need to install the database again???yes,you can create new database with Unicode character set and can import there.But for full steps please refer
http://download.oracle.com/docs/cd/E11882_01/server.112/e10729/ch11charsetmig.htm#CEGDHJFF
Changing the Database Character Set ( NLS_CHARACTERSET ) [ID 225912.1]
Changing the Database Character Set - Frequently Asked Questions [ID 227337.1]
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