A.mysql屬于中小型數(shù)據(jù)庫 B.mysql屬于小型的數(shù)據(jù)庫 C.mysql屬于大型數(shù)據(jù)庫 D.以上都不正確
A.drop database if exists wg B.drop database wg C.delete database wg D.delete database if exists wg
A.root B.nobay C.guest D.ad