CREATE PROCEDURE [dbo].[up_update_character_name]
	@character_id	[uniqueidentifier],
    @character_name			nvarchar(16)
as
begin

set nocount on

declare @succeed int;
SET @succeed = -1;

if NOT EXISTS (select character_id from CharacterTable with (nolock) WHERE [Name] COLLATE Korean_Wansung_CS_AS = @character_name)
begin
	update CharacterTable	set	[Name]	= @character_name	where character_id	= @character_id
	SET @succeed = 1;
end
	select UPDATE_CHARACTER_NAME	= @succeed
end