问题 单项选择题

微机上的数据库管理系统的关系术语十分接近文件系统的通俗词汇,通俗术语中的数据库文件对应的标准术语是()

A.码

B.关系元组

C.关系名

D.关系

答案

参考答案:B

简答题

时间过得多快啊,第一学期的教学活动即将结束了。让我们认真总结、冷静反思一下吧!

(1)“学而不思则罔”。在初三年级第一学期思想政治课的教学活动中,你取得的最大收益是什么?

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

(2)为搞好第二学期的教学工作,请你从教与学两方面,为本校老师提供几条切实可行的合理建议。

                                                                                                                                                              

                                                                                                                                                              

                                                                                                                                                              

单项选择题