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Parameter type
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String
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Syntax
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NLS_DATE_FORMAT = "format"
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Default value
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Derived from NLS_TERRITORY
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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 date format mask but not exceeding a fixed length
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NLS_DATE_FORMAT specifies the default date format to use with the TO_CHAR and TO_DATE functions. The default value of this parameter is determined by NLS_TERRITORY.
The value of this parameter can be any valid date format mask, and the value must be surrounded by double quotation marks. For example:
NLS_DATE_FORMAT = "MM/DD/YYYY"