12.对数据库系统局部数据的逻辑结构进行描述的是-湖北继续教育网网校

首页

普通专升本

成人高考

学位英语

在线刷题

最近学习

最近学习课程

最强大脑 · 3天挑战极限记...

副标题副标题副标题副
最强大脑 · 3天挑战极限记...

副标题副标题副标题副

您现在位置：模拟考场> 湖北自学考试> 专业课> 工商管理> 浏览试题

[单选题]12.对数据库系统局部数据的逻辑结构进行描述的是

A模式

B内模式

C子模式

D物理模式

收藏查看答案

相关题目

热门试题

1. 个体对某态度对象的卷入水平属于态度的(　　)
2. Close Test (10 points, 1 point for each)　　下列短文中有十个空白，每个空白有四个选项。根据上下文要求选出最佳答案，并在答题卡上将相应的字母涂黑。　　For human beings there is more to living than just staying alive. Therefore, your 11 , or emotional and mental needs are important. You need to love and 12 . You need to feel safe and secure. At the same time, you need to feel 13 . You need stimulation and variety to keep your brain 14 and to achieve personal growth. You also need to have a sense of 15 . a personal identity, in order to know 16 you are and how you fit in the environment.　　Of all the emotional needs, a need for love is the 17 basic. At different times in life, you experience the need for love in different ways. 18 , a helpless baby feels love in 19 to care. Love means being kept dry and warm and being fed. Gentle touch and firm support create a feeling of trust 20 the baby for the people who care for it.
3. 获得“杂交水稻之父”称号的是（）
4. 合同履行应遵循的原则有( )
5. 7．下列情形中属于效力待定合同的是

热门试卷