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This list may contain unsupported or internally used definitions. The V$NLS_PARAMETERS view shows the current globalization attributes for your session. You can use this view to determine the proper setting for the NLS_LANG environment variable, so that it matches the settings within the database. For example: SELECT * FROM V$NLS_PARAMETERS WHERE parameter='NLS_LANGUAGE' OR parameter='NLS_TERRITORY' OR parameter='NLS_CHARACTERSET'; You use all three values returned by this query to set NLS_LANG.

FF TZR TZD'; 2-11 Copyright © 2004, Oracle. All rights reserved. Configuring Datetime Formats The default date format for the TIMESTAMP WITH TIME ZONE datatype is determined by the value of the NLS_TIMESTAMP_TZ_FORMAT initialization parameter. This parameter can be set at the database level, for a session, or as an environment variable. If you specify the timezone by its name or region, then the Oracle database automatically determines whether daylight savings is in effect for that region and returns local time values based accordingly.

Oracle Database 10g: Administration Workshop II 2-31 Customizing Linguistic Sorting You can customize linguistic sorting for: • Ignorable characters • Contracting or expanding characters • Special combination letters or special letters • Expanding characters or special letters • Special uppercase and lowercase letters • Context-sensitive characters • Reverse secondary sorting • Canonical equivalence 2-32 Copyright © 2004, Oracle. All rights reserved. Customizing Linguistic Sorting Linguistic sorting has many features.

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