A.create-table-user(id-int-unique-key-auto_increment); B.create-table-user(id-int-foreign-key-auto_increment); C.create-table-user(id-int-default-auto_increment); D.create-table-user(id-int-primary-key-auto_increment);
A.值約束 B.主鍵約束 C.唯一約束 D.非空約束
A.Java表單查詢 B.Java數(shù)據(jù)庫查詢 C.Java表單連接 D.Java數(shù)據(jù)庫連接