How to upload of date format 12/31/9999 to the table of type SY-DATUM (8 Characters)

Hi    when  I modiy standard table...pa001 or pa0002 usually I will sent data as yyyymmdd using HR_INFOTYPE_OPERATION.

I have created a custom table ..of which date field will be of type sy-datum. ( 8 characters only)

when I pass the value yyyymmdd how is it possible to convert to MM/DD/YYYY( 10 Characters size). Please throw some light.

Regards

sas