대체키alternate_key Copy: 대체키alternate_key has NO comma Hide Show Like "대체키alternate_key" These pages share a similar word... 키보드,keyboard These pages share an initial or final title word... 대체키alternate_key 기본키primary_key 대체키alternate_key 수퍼키super_key 외래키,foreign_key 외래키foreign_key 키key 후보키candidate_key