US7ASCII character set Please Suggest ???

Dear all,
Does US7ASCII have support for asian character set.
Oracle 9.2.0.7, Solaris 10
Thanks in advance
SL
Connected to: Oracle9i Enterprise Edition Release 9.2.0.7.0 - 64bit Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.7.0 - Production
Export done in US7ASCII character set and AL16UTF16 NCHAR character set
server uses WE8ISO8859P1 character set (possible charset conversion)
Message was edited by:
user480060
I know the answer. US7ascii is 7 bit. Now my question is that how do I convert this to another character set (8 bit) PLease help
Message was edited by:
user480060
ALTER DATABASE [<db_name>] CHARACTER SET <new_character_set>;
Will this be enough to change the existing character set. At this moment the database is empty. Will there be no issues later on.???
Message was edited by:
user480060

Which will be the new character set ?
If the new character set is a binary superset of the old character set, you can use the following procedure:
http://download-uk.oracle.com/docs/cd/B10501_01/server.920/a96529/ch10.htm#1009904
Following table lists all US7ASCII supersets:
http://download-uk.oracle.com/docs/cd/B10501_01/server.920/a96529/appa.htm#974388

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    지를 확인해야 합니다.
    1) US7ASCII 에서 KO16KSC5601 로 character set 을 변경하기 전에
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    select convert('a','KO16KSC5601','US7ASCII') from dual;
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    3) v$nls_valid_values 에 default value 만 조회되는 경우
    (즉, select count(*) from v$nls_valid_values; 의 결과가
    4 인 경우 ORA_NLS 가 setting 되어 있지 않기 때문)
    4) table 생성시에 ora-911 "invalid character",
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    5) NLS_LANG 을 올바로 setting 하였는 데도, 한글이 ??? 로 나오는 경우
    $ env | grep ORA_NLS
    ORA_NLS=$ORACLE_HOME/ocommon/nls/admin/data
    $ cd $ORA_NLS
    ls -l boot
    -rw-r--r-- 1 rctest72 dba 13572 Dec 2 1995 lx0boot.d
    -rw-r--r-- 1 rctest72 dba 13572 Dec 2 1995 lx1boot.d
    이 두개의 화일이 ORA_NLS 디렉토리에 있어야 합니다.
    (version 에 따라 size 는 다를 수 있습니다.)
    해결 방법
    ========
    만약,ORA_NLS(ORA_NLS32,ORA_NLS33) 이 setting 되지 않았거나,rdbms version
    과 맞지 않을 경우 다시 수정한 후에 restartup 하면 이와 관련된 문제는
    해결됩니다.
    (특정 OS, Ticom 의 경우 OS 를 rebooting 해야 하는 경우도 있습니다.)
    해결 방법은 ORA_NLS 를 정상적으로 setting 한 후에 restartup 하면,
    v$nls_valid_values 에 KO16KSC5601 이 조회되었고, 한글 테이블명이나
    컬럼명이 가능해지고, dictionary 도 KO16KSC5601 로 일치하게 됩니다.
    다음의 CASE1, CASE2 를 통해 이 환경 변수가 DB 에 미치는 영향을
    확인할 수 있습니다.
    CASE1
    =====
    위의 lx0boot.d, lx1boot.d 화일을 ACCESS 할 수 있을 때, 기동된 instance 의
    dictionary를 조회하면, 많이 사용하는 KO16KSC5601, US7ASCII 등의 character
    set 을 조회할 수 있습니다.
    SQLDBA> select * from v$nls_valid_values;
    313 rows selected.
    SQLDBA> select * from v$nls_valid_values where value='KO16KSC5601';
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    CHARACTERSET KO16KSC5601
    1 row selected.
    ; 즉, total 313 row 가 있고 그 중에 KO16KSC5601,US7ASCII 도 있음
    CASE2
    =====
    그러나, lx0boot.d, lx1boot.d 화일을 ACCESS 할 수 없을 때, 기동된
    instance 의 dictionary 를 조회하면, default value 들만 조회됩니다.
    SQLDBA> select * from v$nls_valid_values;
    PARAMETER VALUE
    LANGUAGE AMERICAN
    TERRITORY AMERICA
    CHARACTERSET US7ASCII
    SORT BINARY
    4 rows selected.
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    지원합니다.

    Hi Amos,
    It should work but you will need to use a Unicode font. Try setting your field fonts in CR to MS Ariel Unicode and test again.
    Thank you
    Don

  • Server uses AL32UTF8 character set

    Hello All,
    OS: Linux (SLES 8)
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    Pierre,
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  • Checking server character set

    I think this is a simple question, but for some reason I am not able to find the result.
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    We have HP-UX (unix) servers, and most databases are set to AL32UTF8/AL16UTF16.
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    The default O/S character set for Unix is 7-bit ASCII. This is element of so-called "C locale". This locale is used by all applications that do not declare themselves sensitive to user locale (i.e. they do not call setlocale() at application startup) and by all applications that have no locale parameters (LANG, or LC_xxxx) set in their environment.
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    ## "Export done in US7ASCII character set and AL16UTF16 NCHAR character set
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    Here, US7ASCII is the default character set of an Oracle Client. It is not directly related to the default O/S character set. US7ASCII is always the default Oracle client character set on all non-EBCDIC platforms, used if NLS_LANG is not explicitly set.
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