the meaning of:
SELECT SINGLE YYCTC into KNA1-YYCTC from KNA1 where KUNNR=KNA1-KUNNR.
KUNNR=KNA1-KUNNR is equal KNA1-KUNNR=KNA1-KUNNR ???
i don´t understand.
can you help me please.
Cordial greetings.
