internal table

hi experts,

i have three intrnal tables like itab1 ,itab2 . itab1 have EMPID, EMPNAME and Itab2 have EMPID ,EMPSAL. now i want to creat third internal table like ITAB3 with EMPID,EMPNAME,EMPSAL using itab1 itab2. it is urgent\

thanks in advance

radhakrishna