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Parameter type
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String
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Syntax
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NLS_LANGUAGE = language
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Default value
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Operating system-dependent, derived from the NLS_LANG environment variable
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Parameter class
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Dynamic: ALTER SESSION
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Range of values
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Any valid language name
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NLS_LANGUAGE specifies the default language of the database. This language is used for messages, day and month names, symbols for AD, BC, a.m., and p.m., and the default sorting mechanism. This parameter also determines the default values of the parameters NLS_DATE_LANGUAGE and NLS_SORT.
