| Property | Description | 
|---|---|
| Parameter type | String | 
| Syntax | NLS_NCHAR_CONV_EXCP = { TRUE | FALSE } | 
| Default value | FALSE | 
| Modifiable | ALTER SESSION | 
NLS_NCHAR_CONV_EXCP determines whether an error is reported when there is data loss during an implicit or explicit character type conversion between NCHAR/NVARCHAR and CHAR/VARCHAR2. The default value results in no error being reported.
See Also:
Oracle Database Globalization Support Guide for more information on setting this parameter