createtablebank(bankIdintprimarykeyauto_increment,banknamevarchar(13),bankareaIdint,foreignkey(bankareaId)referencesbankarea(bankareaId));insertintobankvalues(1,'中国农业银行',1),(2,'交通银行',2);,(3,'中国农业银行',2),(4,'交通银行',1);createtablebankarea(bankareaIdintprimary