How to write self join in sql?

Hi,

I have table named "table_upload", column "record_type" value "01,03,04....." and start_date,end_date and so on

And i will have value for  start_date,end_date only for record_type=01,rest of type these two columns will be null.

now i need to write query with self join, to include above concept. can any one please help me .

and my query look like follows,