Funcion MS SQL Server para sacar las tildes

CREATE FUNCTION QuitarTildes ( @Palabra VARCHAR(100) )
RETURNS VARCHAR(100)
AS
BEGIN
RETURN REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(@Palabra , 'á', 'a'), 'é','e'), 'í', 'i'), 'ó', 'o'), 'ú','u')
END