How to find Character set of the Oracle Database

Hi,

The character set is most critical parameter for the database setup because it is one of the unchanging properties after installation.

Character Set in Oracle

In live database or production environments, these features should be determined according to the compatibility of software with software teams and which character is compatible with the set.

you should pay much attention for this parameter especially fresh database installation and migration.

Find Character Set of Oracle

You can check character set of oracle database with following scripts.

SQL> select * from nls_database_parameters where parameter='NLS_CHARACTERSET';

PARAMETER VALUE
------------------------------ ----------------------------------------
NLS_CHARACTERSET WE8ISO8859P9

SQL> SELECT value$ FROM sys.props$ WHERE name = 'NLS_CHARACTERSET';

VALUE$
---------------------------------------------------------------------------

WE8ISO8859P9
==========================================================================

You can see all nls database parameters with following script.

SQL> SELECT * FROM NLS_DATABASE_PARAMETERS;

PARAMETER VALUE
------------------------------ ----------------------------------------
NLS_LANGUAGE AMERICAN
NLS_TERRITORY AMERICA
NLS_CURRENCY $
NLS_ISO_CURRENCY AMERICA
NLS_NUMERIC_CHARACTERS .,
NLS_CHARACTERSET WE8ISO8859P9
NLS_CALENDAR GREGORIAN
NLS_DATE_FORMAT DD-MON-RR
NLS_DATE_LANGUAGE AMERICAN
NLS_SORT BINARY
NLS_TIME_FORMAT HH.MI.SSXFF AM

PARAMETER VALUE
------------------------------ ----------------------------------------
NLS_TIMESTAMP_FORMAT DD-MON-RR HH.MI.SSXFF AM
NLS_TIME_TZ_FORMAT HH.MI.SSXFF AM TZR
NLS_TIMESTAMP_TZ_FORMAT DD-MON-RR HH.MI.SSXFF AM TZR
NLS_DUAL_CURRENCY $
NLS_COMP BINARY
NLS_LENGTH_SEMANTICS BYTE
NLS_NCHAR_CONV_EXCP FALSE
NLS_NCHAR_CHARACTERSET AL16UTF16
NLS_RDBMS_VERSION 11.2.0.4.0

20 rows selected.

Do you want to learn Oracle Database for Beginners, then read the following articles.

Oracle Tutorial | Oracle Database Tutorials for Beginners ( Junior Oracle DBA )