Insert UNICODE character into non-Unicode Oracle database
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- To an Unicode database
SQL> select * from v$nls_parameters where parameter in ('NLS_CHARACTERSET','NLS_NCHAR_CHARACTERSET'); PARAMETER VALUE ------------------------------ ------------------------------ NLS_CHARACTERSET AL32UTF8 NLS_NCHAR_CHARACTERSET AL16UTF16 -- At Unix prompt $ export NLS_LANG=AMERICAN_AMERICA.UTF8 SQL> desc ic_test_varchar Name Null? Type ----------------------------------------- -------- ---------------------------- A VARCHAR2(1000) SQL> insert into ic_test_varchar values('こんにちは ワールド'); SQL> commit; SQL> select * from ic_test_varchar; A -------------------------------------------------------------------------------- こんにちは ワールド
- To Non-Unicode database
SQL> select * from v$nls_parameters where parameter in ('NLS_CHARACTERSET','NLS_NCHAR_CHARACTERSET'); PARAMETER VALUE ------------------------------ ------------------------------ NLS_CHARACTERSET WE8MSWIN1252 NLS_NCHAR_CHARACTERSET AL16UTF16 -- At Unix prompt $ export NLS_LANG=AMERICAN_AMERICA.UTF8 $ export ORA_NCHAR_LITERAL_REPLACE=TRUE SQL> desc ic_test_n_varchar Name Null? Type ----------------------------------------- -------- ---------------------------- A NVARCHAR2(1000) SQL> insert into ic_test_n_varchar values(N'こんにちは ワールド'); SQL> commit; SQL> select * from ic_test_n_varchar; A -------------------------------------------------------------------------------- こんにちは ワールド