NATIONAL CHARACTER SET UTF8
Hi,
on 10g, on Win 2003, how to verify if database is NATIONAL CHARACTER SET UTF8 ?
Thank you.
SELECT *
FROM v$nls_parameterswill show you all the NLS parameters. You're presumably looking for the row where parameter = 'NLS_NCHAR_CHARACTERSET' though there may be a few more parameters that you're interested in.
Justin
Similar Messages
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How to Change National character set for a database
Hi All,
My database is Oracle 10G. Stand alone DB.
National character set for my DB is "WE8ISO8859P1" and need to change national character set to UTF8.
Need Help on this.
Thanks in advance.
Regards,
SureshPlease go through the topic,
[http://arjudba.blogspot.com/2009/02/what-is-national-character-set.html|http://arjudba.blogspot.com/2009/02/what-is-national-character-set.html] [http://arjudba.blogspot.com/2009/03/unicode-characterset-in-oracle-database.html|http://arjudba.blogspot.com/2009/03/unicode-characterset-in-oracle-database.html]
and decide whether you need migration . If you need migration then have a look at,
[http://arjudba.blogspot.com/2009/03/difference-between-we8mswin1252-and.html|http://arjudba.blogspot.com/2009/03/difference-between-we8mswin1252-and.html]
[http://arjudba.blogspot.com/2009/03/difference-between-we8iso8859p1-and.html|http://arjudba.blogspot.com/2009/03/difference-between-we8iso8859p1-and.html]
[http://arjudba.blogspot.com/2009/03/difference-between-we8iso8859p1-and_11.html|http://arjudba.blogspot.com/2009/03/difference-between-we8iso8859p1-and_11.html]
And always check for reports in csscan.
Edited by: user9533551 on 07-Jul-2009 04:29 -
Character sets - UTF8 or Chinese
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
Thanks in advance.
DanIf the data is segmented so that character set 1 data is in a table and character set 2 data is in another table then you may have a chance to salvage the data with help from support. The idea would be to first export and import only your CL8MSWIN1251 data to UTF8. Be careful that your NLS_LANG is set to CL8MSWIN1251 for export so that no conversion takes place. Confirm the import is successful and remove CL8MSWIN1251 data from database. Oracle support can now help you override the character set via ALTER database to say MSWIN1252. Now selectively export/import this data, again make sure NLS_LANG is set to MSWIN1252 for export so that no conversion takes place. Confirm the import is successful and remove MSWIN1252 data from database. And then do the same steps for 1250 data.
-
JNLS - National Character Sets
If I open the Oracle Database Configuration Assistent the following Error is returning:
JNLS Exception: Oracle.ntpg.jnls.JNLS Exception
Unable to find any National Character Sets. Please check your Oracle installation.
How can I fix this problem under th following configuration: Linux Slackware 7.0, KDE, Oracle 8i EE.Hi,
I am having the same problem you had two years ago. Could you please let me know if you got a solution to it. And if so, how.
Thankyou very much.
Sincerely,
Simon. -
How to handle national character set datatypes in oracle?
Hi
Can anyone tell me how to handle national character set datatypes in oracle?
Thanks in advanceAnd for data manipulation, append "N" the literal values being used in the command.
The "N" indicates that the string is to be treated as Unicode Text.
For Example: insert into TableName (ColumnName) values (N'ValueToBeInserted'); -
IMP-00069: Could not convert to environment national character set's handle
While importing database objects from dmp we are getting the following Error
C:\>imp chem/chem@chemdb full=y file='E:\eiproject\expdat.dmp' log=y;
Import: Release 8.1.5.0.0 - Production on Thu Sep 13 10:28:54 2001
(c) Copyright 1999 Oracle Corporation. All rights reserved.
Connected to: Oracle8i Enterprise Edition Release 8.1.5.0.0 - Production
With the Partitioning and Java options
PL/SQL Release 8.1.5.0.0 - Production
Export file created by EXPORT:V08.01.07 via conventional path
import done in WE8ISO8859P1 character set and WE8ISO8859P1 NCHAR character set
IMP-00069: Could not convert to environment national character set's handle
IMP-00000: Import terminated unsuccessfully
nullHi James,
IMP-69 can occur if you try to use an EARLIER version of IMPORT against an export (.dmp) file produced by a LATER version of EXPORT.
How about trying this:
Use the 8.1.5 EXPORT utility from Win2K to connect to your Solaris 8.1.7 database; then use the 8.1.5 IMPORT utility to import the file into the 8.1.5 W2K database.
Nat -
Unable to find any national character set
please check your oracle installation...
and dbassist fails to load.... any idea?
ps I installed two languages English and italian from the "languages" option
Thanx for your help.
Take care
Renato Dall'ArmiI ran into the same problem that you have. Did you have a solution for it?
Regards
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Pui Endo ([email protected]):
I tried to launch DBAssist and create new database instance
after Oracle8i server installation. I was getting above the
error and it says "Unable to find any National Character Set.
Please check your Oracle installation.
I am using default character set (US). Is something wrong
happening in my server installation. Does Oracle prompt for
choosing character set during installation? I am not a DBA and
new to Oracle8i. I am try to setup Oracle since we don't have a
DBA. Anyhelp will be greatly appreciated. The Oracle is
running on Linux.
Thanks.<HR></BLOCKQUOTE>
null -
National character set in JSP report
Hi. National character set is not seen in JSP reports, while in paper reports all is OK. What's the problem?
Hi Volodia,
You can set the character set inside the JSP as:
<%@ page contentType="text/html;charset=ISO-8859-1" %>
Change the character set to "utf-8" or an appropriate value.
Alternatively, in the web browser also, you can change the encoding (View > Encoding > ...)
Navneet. -
DB version
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit
using Sql/Developer version 1.5 to test
My DB has National character set set to unicode (NLS_NCHAR_CHARACTERSET AL16UTF16) and character set to US7ASCII (NLS_CHARACTERSET US7ASCII).
When i create a table with nvarchar2 column and insert in a my language word (month name) then upon fetching rows it shows some different results... why such behavior?
select sysdate from dual;
04-जुलै -12
create table test_nj (a nvarchar2(50));
insert into test_nj values('जुलै');
commit;
select * from test_nj;
A2H
A2H
A2H
A2Huser10569054 wrote:
DB version
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit
using Sql/Developer version 1.5 to test
My DB has National character set set to unicode (NLS_NCHAR_CHARACTERSET AL16UTF16) and character set to US7ASCII (NLS_CHARACTERSET US7ASCII).
When i create a table with nvarchar2 column and insert in a my language word (month name) then upon fetching rows it shows some different results... why such behavior?
select sysdate from dual;
04-जुलै -12
create table test_nj (a nvarchar2(50));
insert into test_nj values('जुलै');
commit;
select * from test_nj;
A2H
A2H
A2H
A2Hdo you have data storage problem or data presentation problem?
SELECT ASCII_STR(A) FROM TEST_NJ;
post results from above. -
Hi. everyone.
What is the oracle dictionary that contains information of
oracle character set and national character set?
I checked v$database, but there was not the information.
It seems that there are some differences between "nls_* " init parameters
and the database character set.
"Alter database backup controlfile to trace" gave me the character set of db,
but I would like to know whether there are oracle dictionary regarding them.
Thanks in advance. Have a nice day.
Best Regards.I found the dictionary which contains the information of character set and
natiional character set of database.
select * from nls_database_parameters
where parameter like '%CHARACTERSET';
Thanks for reading.
Have a good day.
Best Regards. -
I am looking to execute something like the stmt "SET CHARACTER SET UTF8"
However if i put the above stmt in a SQLDBC_Statement_execute call, i get fail message.
I should also mention here that, SQLDBC_Connection_connect call provides a way to provide the character set as one of the parameter. Is that the only way we can set character set from an application while using SQLDBC ?
Regards
RajHi Lars,Elke and Thomas,
Thanks to all of you for your valuable input. Honestly speaking i'm little lost on how to go about this requirement of unicode support for my application. Please allow me some more time to investigate this and then get back to you.
In my application for all other databases a simple execution of "SET CHARACTER SET UTF8" is all that's been done to set the support for UTF-8. So, I really need to figure out what all changes needs to be done in the app if this is not going to work.
In the meantime something more caught my attention while i was using this command:
sqlcli MAXDB1=> \dc domain.columns
Table "DOMAIN.COLUMNS"
Column Name
Type
Length
Nullable
KEYPOS
SCHEMANAME
CHAR UNICODE
32
YES
OWNER
CHAR UNICODE
32
YES
What does the type 'CHAR UNICODE' for Type means here?
Regards
Raj -
ORA-12714: invalid national character set specified
i have the following error
ORA-12714: invalid national character set specified
when i read a table.
my database having the below nls parameters
NLS_LANGUAGE - AMERICAN
NLS_CHARACTERSET -WE8ISO8859P1
NLS_NCHAR_CHARACTERSET -AL16UTF16
i was tried to set the set nls_lang=AMERICAN_AMERICA.WE8ISO8859P1 during the export
any solution?What is your exact database version ?
What is the complete command that triggered this error ?
There is a in know bug in some releases < 10.2 about this error: -
Fixed & variable width national character set
In its discussion of NCHAR and NVARHCAR2 datatypes, Oracle talks about fixed width and variable width database character sets. What are they?
I think the concept of fixed length (i.e. NCHAR) and variable length(i.e. NVARCHAR2) types is a different thing. That I understand.
From Oracle doc:
'If the national character set of the database is fixed width, such as JA16EUCFIXED, then you declare the NCHAR column size as the number of characters desired for the string length. If the national character set is variable width, such as JA16SJIS, you declare the column size in bytes.'
nullFixed width charactersets are those in which each character is defined by a fixed number of bits, say 7 or 8 or 16
Variable width charactersets are those for which either 7 or 8 or 16 bits are used to save space. Let us say a character needs only 7 bits, then only 7 bits will be used in this case, and if another character needs 16 bits, they will be used.
In fixed width all characters have same number of bits, so it has higher space requirement.
These have nothing to do with char and varchar2 data types..... -
Can a db with character set UTF8 be restored to AL32UTF8?
Hello Everyone,
Good Day.
Our present production and non-production databases are configured with NLS_CHARACTERSET as UTF8. However, as we are in the process of migrating to a new server, we intend to configure the new databases with NLS_CHARACTERSET as AL32UTF8 (which is the recommended option as per our research. Moreover, came to know that for Weblogic schemas and repositories to work, NLS_CHARACTERSET must be AL32UTF8).
As we would be restoring from a backup to the new instance created on the new server, kindly help us understand if any issues might arise while restoring due to both being different charactersets?
Warm Regards,
Vikram.Hi Robin,
Thank you for the update. Our DB is too huge and contains many schemas to try for a data pump. Hence we had planned for a restoration which might be simpler task with lesser downtime.
Perhaps, one option would be to create the instances with UTF character set itself and then change it once the migration activity has been completed.
Also, could you please throw some light on the two character sets as to which one is better and why?
Warm Regards,
Vikram. -
We have database with texts stored in mixed character sets.
DB charset is CL8MSWIN1251, but real data in CL8MSWIN1251, WE8MSWIN1252, EE8MSWIN1250.
We want convert this DB to UTF8 charser. Simple import/export will not help in this situation. Only CL8MSWIN1251 will be converted propertly.
Anyone know solutions for this situation?
Thank you in advance!If the data is segmented so that character set 1 data is in a table and character set 2 data is in another table then you may have a chance to salvage the data with help from support. The idea would be to first export and import only your CL8MSWIN1251 data to UTF8. Be careful that your NLS_LANG is set to CL8MSWIN1251 for export so that no conversion takes place. Confirm the import is successful and remove CL8MSWIN1251 data from database. Oracle support can now help you override the character set via ALTER database to say MSWIN1252. Now selectively export/import this data, again make sure NLS_LANG is set to MSWIN1252 for export so that no conversion takes place. Confirm the import is successful and remove MSWIN1252 data from database. And then do the same steps for 1250 data.
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