Character Encoding In 10g?

Dec 7, 2010

The problem is regarding character encoding.When i am entering Japanese characters in a description form field in a Jsp page and on submit storing the value in the database,its getting stored fine.When i an selecting the value and showing in the result page,then again its properly displaying.But when i am executing the select query in Sql Developer,the values are most probably showing as unicode characters (i am not sure about this though,but at least they are looking like unsupported characters).

Is there any way to store data,such as the select query will also show understandable japanese characters on Sql Developer(or other IDEs)?

i am using Oracle 10g?

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Feb 9, 2013

I am using C++ OCI LIB, to insert some report data from remote OCI client to oracle 11 server. This data is read by another process to create the report.The DB CHARSET is UTF-8. But the report tool expects the data to be ISO08859-1 encoded. So while inserting the data into the database i specify the following LANG and CHARSET for my table colulmn in client:

The TARGET DB CHARSET is UTF-8
NLS_LANG=AMERICAN_AMERICA.WE8ISO8859P1
size_t csid = 871; // UTF-8
OCIAtrSet((void *) bnd1p, (ub4) OCI_HTYPE_BIND,
*(void *)&csid*,
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(ub4)OCI_ATTR_CHARSET_ID, errhp);

This solution works for almost every case of ASCII and Extended ASCII Charest but we are facing issues if we have few specific characters to be inserted.f we are trying to insert single beta character [β] through client, the data goes empty to the column.

Beta Character details:
DEC     OCT     HEX     BIN     Symbol           Description
223     337     DF     11011111     ß     Latin small letter sharp s - ess-zed

DB Output after insert single β:
select rawtohex(NAME) from PERSONS where EID=333;

RAWTOHEX(NAME)
---------------------------

But if the string is *"ββ"* everything work fine:
DB Output for "ββ":
select rawtohex(NAME) from PERSONS where EID=333;

RAWTOHEX(NAME)
---------------------------
DFDF

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Below are steps taken to resolve the issue -

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i got this error: ORA-12712: new character set must be a superset of old character set

below are the commands executed by me:

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I'm using

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