《ACCESS 2010应用基础》单元练习三(第三章)

《ACCESS 2010应用基础》单元练习三(第三章)
《ACCESS 2010应用基础》单元练习三(第三章)

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南溪职校2015—2016学年上期

2014级计算机专业ACCESS 学科试卷

考试时间:90分钟 满分:100分

1.关于Access 字段名,下面叙述错误的是( ) A .字段名长度为1-255个字符

B .字段名可以包含字母、汉字、数字、空格和其他字符

C .字段名不能包含句号(.)、感叹号(!)、方括号([])和重音符号(`)

D .同一个表中字段名不能出现重复

2.下列对主关键字段的叙述,错误的是( ) A .数据库中的每个表都必须有一个主关键字段 B .主关键字段值是唯一的

C .主关键字可以是一个字段,也可以是一组字段

D .主关键字段中不允许有重复和空值 3.若将文本字符串“12”、“6”、“5”按升序排列,则排序的结果是( ) A .“12”、“6”、“5” B .“5”、“12”、“6” C .“5”、 “6”、 “12”D .“12”、 “5”、“6” 4.“True/False ”数据类型为( )

A .文本

B .数字

C .备注

D .是否 5.查找数据时,设查找内容为“t[!ief]me ”,则可以找到的字符串是( ) A.time B. teme C.tiefme D.tame 6.查找数据时,可以通配任何单个数字字符的通配符是( ) A.* B. # C.! D.? 7.必须输入字母或数字的输入掩码是( )

A.A

B. &

C.9

D.L 8.Access 不能进行索引的数据类型是( )

A.文本

B.OLE

C.数字

D.自动编号 9.关于“输入掩码”叙述错误的是( ) A.掩码是字段中所有输入数据的模式

B.Access 是为“文本”和“日期/时间”型字段提供了“输入掩码向导”来

设置掩码

C.设置掩码时,可以用一串代码作为预留区来制作一个输入掩码

D.所有数据类型都可以定义一个输入掩码

10.定位当前记录的第一个字段的快捷键是( )

A.Tab

B.Shift+Tab

C.Home

D.Ctrl+Home 11.以下修改表结构的操作中,可能丢失数据的操作是( ) A. 修改字段名 B.修改字段类型 C.移动字段位置 D.修改字段名,并且移动字段位置 12.对于筛选记录,Access 提供的筛选有( )

A. 2种

B.3种

C.4种

D.5种 13.在Access 中,下面关于空值Null 叙述错误的是( ) A.尚未存储数据的字段的值 B.空值是缺省值 C.查找空值的方法与查找空字符串相似 D.空值的长度为零 14.下列不能用于数据表单元格导航的键是( )

A.Tab

B.回车

C.左箭头

D.Alt 15.下列关于表的格式的说法中,错误的是( )

A.字段在表中的显示顺序是由用户输入的先后顺序决定的

B.用户可以同时改变一个或多个字段的位置

C.在表中,可以为一个或多个指定字段中的数据设置字体格式

D.在Access 中,只可以冻结列,不能冻结行

16.下列关于数据编辑的说法中,正确的是( )

A.表中的数据有两种排列方式,一种是升序排列,另一种是降序排列

B.可以单击“升序”或“降序”按钮,为两个不相邻的字段分别设置升序和降序排列

C.“取消筛选”就是删除筛选窗口中所作的筛选条件

D.将Access 表导出到Excel 数据表中,Excel 将自动应用源表中的字体格式 17. 在Access 中,如果没有为新建的表指定主键,当保存新建的表时,系统会( ) A.自动为表创建主键 B.提示用户是否创建主键 C.让用户设置主键 D.没有任何提示 18.默认值设置是通过( )操作来简化数据输入 A.清除用户输入数据的所有字段 B.用指定的值填充字段

C.清除了重复输入数据的必要

D.用与前一个字段相同的值填充字段

19.在“选项”窗口中,选择( )选项卡,可以设置默认列宽

A.常规 B 当前数据库 C.数据表 D.校对 20.下面关于自动编号型字段叙述错误的是( )

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A. 每次向表中添加新纪录时,Access 会自动插入唯一序列号

B.自动编号数据类型一旦被指定,就会永远地与记录连接在一起

C.如果删除了表中含有自动编号字段的一个记录后,Access 并不会对自动编号型字段进行重新编号

D.被删除的自动编号型字段的值会被重新使用

A.不能出现重复值,能出现空值

B.字段值是唯一的

C.可以是一个字段,也可以是一组字段

D.不许有重复值和空值(Null )

2. 编辑表中内容的定位记录的方法是( ) A.使用记录号定位 B.使用快捷键定位

C.使用鼠标定位

D.单击“开始”—>“查找”—>“转至” 3. Access2010中,可以作为使用逻辑运算符的是( ) A .Not B .in C .And D .Or 4.在Access 中,表间关系有( )

A.一对一

B.一对多

C.多对多

D.多对一

5.“订货量大于等于0且小于等于9999”的有效性规则是( ) A.>=0 and <=9999 B. >=0 or <=9999 C.>=0 and =<9999 D.between 0 and 9999

6.下列哪些数据类型可以设置格式属性( )

A.文本型

B.日期/时间型

C.数字型

D.是/否型 7.索引属性选项分为( )

A.无

B.有(有重复)

C.有(无重复)

D.无(有重复) 8. 不能进行排序的字段数据类型是( )

A.附件

B.超链接

C.备注型

D.自动编号型 9.在“学生”表中有“助学金”字段,其数据类型可以是( ) A.数字型 B.备注型 C.货币型 D.日期/时间 10.下列叙述中,( )是正确的

A.可以直接输入字段名,最长可以有128个汉字

B.计算型字段的值是通过一个表达式计算得到的

C.同一个表中字段名不能相同

D.确定字段名称后将光标移到数据类型列,可以直接输入符合要求的数据类型

三、填空题(2分/空,共10空,20分)

1.文本型字段大小默认为 , 数据类型可以用于为每个新纪录自动生成数字。

2.在Access2010中,所有数据库对象都存放在一个扩展名为 的数据库文件中。

3.Access 提供了两种字段数据类型来保存文本或文本和数字组合的数据,这两种数据类型是 和 。

4.身份证号码由17位数字加末尾1位数字或字母组成的,则为“身份证号码”字段设置的正确的输入掩码是 。

5.给表添加数据的操作是在表的 中完成的。

6.如果表中一个字段不是本表的主关键字,而是另外一个表的主关键字,那么这个字段称为 。

7.若在两个表之间的关系连线上标记了1:1或1:∞,表示启动了 。

8.Access 的字段名最多可以有 个字符。

四、判断题(1分/题,共10小题10分,正确打“√”,错误打“×”请将答案填入题号前的括号内)

( ) 1.删除一列后,该列的所有数据均被删除且不能恢复。 ( )2.Ctrl+F5是关闭当前表的快捷键。 ( )3.一个数据库只能同时打开一个表。 ( )4.主键只能由一个字段组成。

( )5.输入掩码“&”表示必须输入字母或数字。

( )6.定义字段默认值的作用是不允许字段的值超出某个范围

( )7. 数据查找时,匹配方式包括整个字段、字段开头和字段任何部分 (

)8.在Access2010中,可以在数据表视图中设计字段及其属性 ( )9.查阅向导型字段不可以设计为列表框形式 ( )10.Access 中的表可以导出为PDF 文档文件

五、综合题(2分/空,共10分)

已知有一个XSDA 表,现要为其中名为“民族”的文本型字段,现要为该字段添加查阅列表(汉族、藏族、彝族、羌族),使得在输入数据时既可以从在文本框中输入数据,也可在下拉列表中选择数据输入,请补充下面的操作步骤: 1.打开“XSDA ” 表的(1) 视图;

2.选择“民族”字段,在下文的“(2) ”选项卡中:“显示控件”列表中选择“(3) ”,“行来源类型”列表中选择“,再在“(5) ”后的文本框中输入”汉族”;”藏族”;

3.单击快速访问工具栏的“保存“按钮保存结构的修改。

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