hii guyzz i want to know about read table

guyzz,

           i have to delete a value from the table eg: despatch date but after i delete the the date i want the date in the remaining field (the fields i doesnt delete the date ) to add into hte space in deleted(now it contins 00000) and it all should be done in read table area

i wont need the program only logic will do guyzz

thanks in advance... and points will given to those who help me with this...