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Properly configuring Oracle Charset and NLS parameters

I'm trying to figure out the reason why Oracle SQL Developer shows question marks/rubbish on non-latin symbols. Currently I have 2 DBs on separate severs/instances, one of which works fine, and the ...
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2answers
166 views

Are there any known problems caused by having NLS_LENGTH_SEMANTICS set to CHAR on an Oracle database?

I've always thought that anyone using a database where NLS_LENGTH_SEMANTICS set to BYTE when using a multi-byte character set needed their heads examined, but recently a customer of ours said that ...
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How Do you add multilanguage support in oracle 12c post installation?

I have oracle 12.1.0 database But currently has only english language support . How can I get multi language support without re installation?
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2answers
745 views

Oracle systimestamp result differs in db server and client

I am getting some strange output while executing the below command on db server and on client machine connected to same db server. On DB server SQL> select systimestamp from dual; systimestamp ...
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2answers
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MySQL Duplicate entry for a greek word

I have a column which is unique and when I add Αγάθη and Αγαθή (which are different) it says #1062 - Duplicate entry 'Αγαθή' for key 'word'. My collation is set to utf8_general_ci. Is there any ...
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Specify NLS-Settings during Oracle installation under Windows

Is there an easy way to specify NLS parameters for the database during the installation? We want to install a new database (environment: Windows). For testing purpose we need NLS settings for ...
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1answer
2k views

ORA-12899 when inserting from sqlplus, but ok with jdbc

Inserting 'ééééé' into a column defined as varchar(5) runs fine from squirrel sql client (jdbc). But doing the same insert from sqlplus fails with ORA-12899 (too long value). NLS_CHARACTERSET is set ...
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1answer
812 views

NLS_LANG parameter

Is it possible to change NLS_LANG settings on the server after installation Oracle 11.2 XE? (I am not thinking about alter session.) As you know one can not choose db characterset nor nls_lang while ...
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1answer
326 views

Customizing nls_sort and nls_comp in Oracle

There is different letters for 'KAF' (ک , ك) and 'YA' (ی , ي) in Persian with different unicode codes and same spell. I am using these commands to set Persian sort and comparing in my project ALTER ...
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1answer
200 views

What's the most appropriate NLS_SORT parameter to cover all/most European languages?

I'm developing an Oracle 11g-based application which is likely to be used by clients in many different countries (mostly European). I want the program to change its NLS_SORT so that it's case ...