Returns the name of the specified part (such as the month June) of a datetime value, as a character string.
DATENAME( date-part, date-expression )
date-part The date part to be named. For a complete listing of allowed date parts, see Date parts.
date-expression The date for which the date part name is to be returned. The date must contain the requested date-part.
The DATENAME function returns a string, even if the result is numeric, such as 23 for the day.
SQL/2003 Vendor extension.
The following statement returns the value May.
SELECT DATENAME( month, '1987/05/02' );