SQL convert 'DDMMYY' to datetime

Question

I am trying to convert a date from DDMMYY format to datetime in SQL Server.

I am using the convert command as follows

Answer 1

select CAST('121031' AS datetime)  as d -- For YYMMDD

Answer 2

select convert (datetime,  Stuff(Stuff('311012',5,0,'.'),3,0,'.'), 4)

Answer 3

Try like this :-

declare  @val1 varchar(30)
select @val1=SUBSTRING('311012',1 ,2)+'/'+SUBSTRING('311012',3 ,2)+'/'+'20'+SUBSTRING('311012',5 ,2)
SELECT CONVERT(datetime,@val1,103)