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在考生文件夹下,存在一个数据库文件“sampl.mdb”和一个图像文件“photo.bmp”。在数据库文件中已经建立了一个表对象“tStud”。试按以下操作要求,完成各种操作:
(1)设置“ID”字段为主键;并设置“ID”字段的相应属性,使该字段在数据表视图中的显示名称为“学号”。
(2)删除“备注”字段。
(3)设置“入校时间”字段的有效性规则和有效性文本。具体规则是:输入日期必须在2000年1月1日之后(不包括2000年1月1日);确效性文本内容为:输入的日期有误,重新输入。
(4)将学号为“20011002”学生的“照片”字段值设置为考生文件夹下的“photo.bmp”图像文件(要求使用“由文件创建”方式)。
(5)将冻结的“姓名”字段解冻;并确保“姓名”字段列显示在“学号”字段列的后面。
(6)将“tSmd”表中的数据导出到文本文件中,并以“tSmD.txt”文件名保存到考生文件夹下。

A.mdb”和一个图像文件“photo.bmp”。在数据库文件中已经建立了一个表对象“tStud”。试按以下操作要求,完成各种操作:
B.bmp”图像文件(要求使用“由文件创建”方式)。
C.txt”文件名保存到考生文件夹下。

【参考答案】

【操作步骤】 (1)步骤1:打开“sampl.mdb”数据库窗口选中“表”对象右键单击“tStud”选择“设计视图”命令......

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