I use sqlplus 12 connecting to Oracle 12c.
I have set the environment variable NLS_LANG = AMERICAN_AMERICA.JA16SJISTILDE.
I changed region and Langue for non-Unicode program to japanese.
But still can't display Japanese correctly. Can someone help me find the problem? Thank alot
NLS_LANG image
Problem image
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I am using 19c client and my database's NLS parameters like these:
Also my clients specs are:
While (Windows 10 x64) I am using sqplus, I get this(you can see my NLS_LANG environment variable on the top of command line):
My 19c client home regedit NLS_LANG variable also is set to AMERICAN_AMERICA.W8ISO8859P9.
Yet, when I using TOAD for Oracle:
and using SQL Developer:
I got confused. On the internet they say NLS_LANG environment variable should be enough for setting client character set, but clearly it isn' t.
Due to this configuration difference, I am seeing "fıtıkçışahap"(on sqlplus) as "fıtıkçışahap"(on SQL Developer and TOAD for Oracle)
How can I overcome this situation?
Thanks in advance!
Edit:
V$NLS_PARAMETERS
Forget about SELECT CLIENT_CHARSET FROM V$SESSION_CONNECT_INFO, it does not mean anything.
SQL Developer is Java/JDBC based. Starting from Oracle Database 10g, the NLS_LANG variable is no longer part of the JDBC globalization mechanism. The JDBC driver does not check NLS environment. So, setting it has no effect.
Your NLS_LANG variable is set to AMERICAN_AMERICA.W8ISO8859P9 - what does it mean in terms of character set?
You tell the Oracle database: "my client uses character set W8ISO8859P9" (i.e. ISO-8859-9) - no more, no less!
When you run SQL*Plus then it inherits the character set from the command line codepage. You can interrogate and modify the codepage with command chcp. I assume it is either CP857 (if you run a Turkish Windows) or CP850 or CP437 (see National Language Support (NLS) API Reference). Non of these three codepages matches ISO-8859-9, so your output is gibberish.
Before you run SQL*Plus set the codepage accordingly, i.e. chcp 28599 (see Code Page Identifiers)
Alternatively set the NLS_LANG according to your codepage, e.g. AMERICAN_AMERICA.TR8PC857 (check with SELECT VALUE AS ORACLE_CHARSET, UTL_I18N.MAP_CHARSET(VALUE) AS IANA_NAME FROM V$NLS_VALID_VALUES WHERE PARAMETER = 'CHARACTERSET')
Usually TOAD handles the character set very smart, so I fear the gibberish you see in TOAD is the real data in your database, i.e. it is junk because you had the wrong NLS_LANG value when the data was inserted.
See also OdbcConnection returning Chinese Characters as "?"
My PostgreSQL database' s encoding was tr_TR.UTF8, so still UTF8. It should have been LATIN that support Turkish character set. Changing it to tr_TR.iso8859 solved my problem.
I'm trying to retrieve data from an Oracle database into MS Access or Excel on to a Windows 7 PC. The data includes characters such as degree and diameter symbols. These are not displayed correctly on the PC. I can see that the data is stored correctly using the dump function in my query, and that it is the translation to the client character set that not bringing them in.
By looking at this query, and also querying the database parameters with SELECT * FROM NLS_database_PARAMETERS, I can see that the NLS_CHARACTERSET = US7ASCII. I think this is cause of the problem as the diameter symbol etc is not included in this character set.
But, I've checked the registry to see what NLS_LANG is set to, and it is ENGLISH_UNITED KINGDOM.WE8MSWIN1252. I know that I'm looking in the correct registry key because when I change the language/territory (to GERMAN_GERMANY for example) it does change for my queries.
I've also checked for an environment variable that is overriding this setting and couldn't find one. I trying creating an NLS_LANG environment variable with the same settings as above but that didn't make any difference.
My Windows code page is set to 1252. The database NLS_NCHAR_CHARACTERSET setting is AL16UTF16.
Any ideas of what to do next?
If NLS_CHARACTERSET is set to US7ASCII then you will never get any special characters from it. With NLS_NCHAR_CHARACTERSET=AL16UTF16 you should get any character, provided the data type of your column is NVARCHAR2 or NCHAR (not VARCHAR2)
Set your local NLS_LANG to ENGLISH_UNITED KINGDOM.AL32UTF8 then it should work.
I'm facing a character discrepancy issue while extracting data from db tables.
I've written a PL/SQL code to spool some data to .txt file from my db tables and running this sql using unix shell but when I'm getting the spooled file, the result set is a changed one from the one at back end.
For example:
At back end: SADETTÝN
In Spooled txt file : SADETTŸN
If you look at the Y character, it is a changed one. I want to preserve all the characters the way they are at back end.
My db's character set:
SELECT * FROM v$nls_parameters WHERE parameter LIKE 'NLS%CHARACTERSET'
PARAMETER VALUE
NLS_CHARACTERSET WE8ISO8859P1
NLS_NCHAR_CHARACTERSET WE8ISO8859P1
And Unix NLS_LANG parameter :
$ echo $NLS_LANG
AMERICAN_AMERICA.WE8ISO8859P1
I tried changing NLS_LANG parameter to WE8ISO8859P9(Trukish characterset) but no help!
Could anyone let me know the solution to this problem?
I presume that you are trying to visualize your file with "vi" or something similar.NLS_LANG parameter is used only by your database to export to your file.For your editor(vi), you need to set the LANG parameter to the corresponding value to your NLS_LANG.
Exemple : For ISO8859P1 american english you have to do
export LANG=en_US.ISO8859-1
In other words your file is just fine it's your editor who doesn't know what to do with your Turkish characters.
You should use NCHAR data types. More information is available at Oracle Documentation - SQL and PL/SQL Programming with Unicode
For spooling from SQL*Plus, you need to set the NLS_LANG environment variable correctly. Here is a similar question in stackoverflow.
I have an Oracle Database with character set AL32UTF8, but I am not able to read some information (ex. Chinese characters). How can I configure my PLSQL Developer to read these characters?
By the way, when I read this information it appears such as ???
I'm using Windows XP.
I found the answer by myself.
It's necessary to change the NLS_LANG registry in the following route HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\KEY_ODACHome2
And set it with the properly language. In my case it was : AMERICAN_AMERICA.AL32UTF8
Anyway...Thanks.
Set NLS_LANG Environment Variable also works for me.
Variable: NLS_LANG
Value: AMERICAN_AMERICA.AL32UTF8
Your NLS_CHARACTERSET should be set to AL32UTF8 and also make sure that parameter NLS_NCHAR_CHARACTERSET is set to UTF8.
SQL> ALTER SESSION SET NLS_NCHAR_CHARACTERSET = 'UTF8';
I have an oracle database which nls character set is set to ALS32UTF8 and nls nchar character set is set to UTF8.
But however if i insert any data to a nvarchar column in a table.
Subsequent when i do a select the data i got is ???.
Why is this so?
The funny thing is that using TOAD i can read view the correct nvarchar data using the schema brower - > data
But if i use sql to do a select i get ???.
Any idea anyone and how to resolve this?
What is the NLS_LANG setting on your client? For a good reference on NLS parameters, read this FAQ by Oracle. For additional reading on Unicode, see this essay by Joel Spolsky.
You need to set the clients NLS_LANG to utf.
sqlplus uses these environent variables (registry parameters on windows):
(You may need to use sqlplusw.exe to use utf-8 on windows.)
NLS_LANG=AMERICAN_AMERICA.AL32UTF8
LC_CTYPE="en_US.UTF-8"
ORA_NCHAR_LITERAL_REPLACE=true
See also : Inserting national characters into an oracle NCHAR or NVARCHAR column does not work