摘要：
谁订购了产品，并且他们订购了什么产品？引用两个表View Code SELECT Persons.LastName, Persons.FirstName, Orders.OrderNoFROM Persons, OrdersWHERE Persons.Id_P = Orders.Id_P 结果集：LastNameFirstNameOrderNoAdamsJohn22456AdamsJohn24562CarterThomas77895CarterThomas44678SQL JOINView Code SELECT Persons.LastName, Persons.FirstName, Ord 阅读全文