12.事务的并发执行不会破坏数据库的完整性，这个性质称为事务的-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

暂无数据

您现在位置：模拟考场> 湖北自学考试> 专业课> 数据库系统原理> 浏览试题

[单选题]12.事务的并发执行不会破坏数据库的完整性，这个性质称为事务的

A原子性

B一致性

C隔离性

D持久性

收藏查看答案

相关题目

热门试题

1. 9．现代产品作为一个整体，包括三个层次，产品的安装属于其中的（）
2. 第三部分: 概括段落大意和补全句子（每题1分,共10分）My Science Teacher?Usually whenpeople decide to be teachers, they go to college, get a degree, and find a job at a school. They prepare lesson plans, give out homework, and make up tests. To them,it is just a job, a way to make a living. But for my science teacher, Mrs. Cook, teaching is not just her job; it's who she is. She teaches through her heart.?She has so much enthusiasm in her lessons. She is the one who goes out late at night tobuy 10 pounds of sugar for our experiments. She brings inwater from the nearby canal to make her point, and to make us remember the lesson. She makes usthink that each new fact could change our lives.?Mrs. Cook wants all of us to do well in school. She tries to reach each student. Sheneither ignores the sleeping kid in the back, nor lets the problem students alone. She shows special concern to slow students, and often helps them after school. None of us can slip away from her attention.?Middle school is probably one of the hardest times of our lives. We change friends so often, and fight with our parents constantly.But Mrs. Cook has made thisyear So much better for us than it could have been. We know that if we had to turn toanybody, it wouldbe her. And I'm not alone in feeling this way; she is arole model for our whole class.?Science had never been my favorite subject. I had never borrowed science books. I had never performed experiments in my home.But this year, it's the science class that I don't mind waking up for, the testI don't mind taking. I have Mrs. Cook to thank for that. She has taught us so much more than just a single subject.
3. 肾后性ARF常见的病因是(??)
4. 简要回答委托代理人制度的特点。
5. 事物的质和量的区别在于（　　）

热门试卷