单选题:下面说法中,正确的是(  )。

  • 题目分类:Access
  • 题目类型:单选题
  • 查看权限:VIP
题目内容:
下面说法中,正确的是(  )。 A.文本型字段最长为64000个字符
B.要得到一个计算字段的结果,仅能运用总计查询来完成
C.在创建一对一关系时,两个表的相关字段不一定都是主关键字
D.创建表之间的关系时,需要关闭所有要创建关系的表

参考答案:
答案解析:

It was no match that his car was seen near the bank at the

It was no match that his car was seen near the bank at the time of the robbery.

查看答案

下列选项中,不属于Access数据类型的是(  )。

下列选项中,不属于Access数据类型的是(  )。A.数字 B.文本 C.报表 D.时间/日期

查看答案

在数据库系统中,数据的最小访问单位是(  )。

在数据库系统中,数据的最小访问单位是(  )。 A.表 B.字节 C.字段 D.记录

查看答案

Why does the author mention Don Quixote, Brave New World, an

Why does the author mention Don Quixote, Brave New World, and A Modest Proposal

查看答案

The example of SARS is used to illustrate that__________.

The example of SARS is used to illustrate that__________.A.much remains to be do

查看答案