在数据库的三级模式体系结构中,外模式与模式之间的映像(外模式/模式),实现了数据库 发布时间:2019-05-25 02:23 │ 来源:www.tikuol.com 题型:填空题 问题: 在数据库的三级模式体系结构中,外模式与模式之间的映像(外模式/模式),实现了数据库 【7】 独立性。
题型:填空题 任务型阅读(共5小题;每小题1分,满分5分)Li Xiaoyun’s Personal Profile 阅读以上信息,完成下面短文。Li Xiaoyun is a 22-year-old girl. Her 小题1: name is Michelle. She is Number One in the Super Girls of 2009. She is 1.68m tall. She was born in小题2: , China, but now she lives in Melbourne, Australia. She loves singing and 小题3: to music very much. And also she can play 小题4: and the piano. Her favourite colour is blue and小题5: . 查看答案