Oracle GLOBALIZATION SUPPORT

GLOBALIZATION SUPPORT


Choosing a Character Set
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When computer systems process characters, they use numeric codes instead of the graphical representation of the character. For example, when the database stores the letter A, it actually stores a numeric code that is interpreted by software as that letter. Read on to know more about Globalization Support.


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NLS Data Dictionary Views
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Applications can check the session, instance, and database NLS parameters by
querying the following data dictionary views:

NLS_SESSION_PARAMETERS shows the NLS parameters and their values for the
session that is querying the view. It does not show information about the character
set.

NLS_INSTANCE_PARAMETERS shows the current NLS instance parameters that
have been explicitly set and the values of the NLS instance parameters.

NLS_DATABASE_PARAMETERS shows the values of the NLS parameters for the
database. The values are stored in the database.
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NLS Dynamic Performance Views

V$NLS_VALID_VALUES lists values for the following NLS parameters
NLS_LANGUAGE, NLS_SORT, NLS_TERRITORY, NLS_CHARACTERSET

V$NLS_PARAMETERS shows current values of the following NLS parameters:
NLS_CALENDAR, NLS_CHARACTERSET, NLS_CURRENCY, NLS_DATE_FORMAT,
NLS_DATE_LANGUAGE, NLS_ISO_CURRENCY, NLS_LANGUAGE, NLS_NUMERIC_
CHARACTERS, NLS_SORT, NLS_TERRITORY, NLS_NCHAR_CHARACTERSET, NLS_COMP, NLS_LENGTH_SEMANTICS, NLS_NCHAR_CONV_EXP, NLS_TIMESTAMP_FORMAT, NLS_TIMESTAMP_TZ_FORMAT, NLS_TIME_FORMAT, NLS_TIME_TZ_FORMAT

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