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T-SQL month name from month index

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How to display a month name from an input of a month index (i.e. 1-12).

The script below will return the month name for a given month index.

DECLARE @MonthID int

SET @MonthID = 5

SELECT DateName(month, convert(datetime, '2009-' + cast(@MonthID as varchar) + '-01', 120))

@MonthID could be any integer I have only declared a new variable here for completeness.

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