declare @birthday varchar(50)
set @birthday = substring(convert(char(10),getdate()),7,4)+'-' +substring(convert(char(10),getdate()),1,2) +'-'+replace(substring(convert(char(10),getdate()),4,2),' ','0')
print @birthday
set @birthday = substring(convert(char(10),getdate()),7,4)+'-' +substring(convert(char(10),getdate()),1,2) +'-'+replace(substring(convert(char(10),getdate()),4,2),' ','0')
print @birthday