문법

DELETE ADJACENT DUPLICATES FROM ... COMPARING ~

• 반드시 정렬 SORT 후 진행한다

SORT <테이블명> BY <필드1> <필드2> ... <필드N>. 
DELETE ADJACENT DUPLICATES FROM <테이블명> COMPARING <필드1> <필드2> ... <필드N>.

SORT gt_data BY matnr werks. 
DELETE ADJACENT DUPLICATES FROM gt_data COMPARING matnr werks.

모든 필드 기준 중복 제거

DELETE ADJACENT DUPLICATES FROM <테이블명> COMPARING ALL FIELDS.