题目内容

EBF3中文全称是_______________制造技术。

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Please prepare the presentation of the PPT for the novel you've finished this term, and the following elements should be included:1. Outline of the presentation.2. Main idea of the book you've selected.3. Useful/ Interesting words, phrases or sentences, try to collect and analyze them.4. Comments on the book, which can be the impression on the whole book; or comments on a certain statements or sentences. Describe in your own words.All in all, you've to share with us what you've learnt from this book, and try to appeal to more people to try the book you've chosen.

下列选项中,哪个不属于事务的ACID特性（）。

A. 一致性
B. 隔离性
C. 持久性
D. 分区性

事务是并发控制的基本单位（）。

A. 对
B. 错

事务是用户定义的一个数据库操作序列，这些操作要么全做，要么全不做，是一个不可分割的工作单位（）。

A. 对
B. 错