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HomeDatabaseMysql Tutorial中文Access2000速成教程--1.1 使用“向导”设计数据库

中文Access2000速成教程--1.1 使用“向导”设计数据库


第一讲使用“向导”设计数据库

使用中文Access 2000可以从单一的数据库文件中组织用户信息。在此文件中,可将数据分开放在名为“表”,也就是前面所说的“数据表”的容器中,然后可使用联机窗体让网络用户查看、添加并更新表中的数据、“查询”查找并检索数据、使用“报表”按特定的布局分析或打印的数据。此外,通过创建数据访问页还能从Internet上查看与更新或分析数据。与前面所介绍的两个软件一样,为了存储与使用数据,可对每一类信息创建一张表,此后就能在窗体、报表、或数据访问页中将多个表中的数据组织到一起,以及定义表之间的关系,以便于查找和检索仅满足指定条件的数据。初学者应注意,这里的“窗体”是前两个软件中没有的对象。


在使用中文Access 2000建立用于构成数据库的表、窗体和其他对象之前,设计数据库是很重要的。因为无论是使用中文Access 2000的数据库或是项目,都需要一个能够有效而且准确、及时地完成所需功能的数据库。


与中文Visual FoxPro 6一样,在中文Access 2000中也能通过一个“向导”来创建数据库,而且它们的名称都是“数据库向导”,启动这个软件后屏幕上将如图1所示的一个对话框,它也是一个起向导作用的对话框,用于引导您完成建立数据库文件的操作,与中文Visual FoxPro 6中的操作方式相类似。


此后,按下列步骤进行操作即可创建一份数据库文件。



图1进入Microsoft Access对话框

步骤一、打开“Access数据库向导、数据页和项目”单选按钮。然后单击“确定”按钮,参见图1。

顺便说一句,若打开Microsoft Access对话框中的“空Access数据库”单选按钮,将建立一个空数据库,但此后可以将相关表加入在里面。打开“打开已有文件”单选按钮则可以从下方的列表中选择打开已经存在的数据库。


完成这一步操作后,屏幕上将图2所示的“新建”对话框,让您从中选择一个模板来快速建立数据库。


注:如果已经打开了数据库,或者在启动后显示Microsoft Access对话框时关闭了它,可单击“常用”工具栏中的“新建”按钮,然后在通过“数据库”选项卡即可创建新数据库。





图2选定“工时与帐单”模板

步骤二、参见图2,在“新建”对话框的“数据库”选项卡中选择“工时与帐单”模板,然后单击“确定”按钮进入图3所示的“文件新建数据库”对话框。



注:此对话框中提供了许多模板,这里仅选择了“工时与帐单”来做示范操作。




图3在这个对话框中指定数据文件名
“文件新建数据库”对话框的名称是不符合中文语法规则的,但它的基本功能是每一位Windows用户所熟悉的,通过它可以指定数据文件名,以及保存它的文件夹,本书在这里给出的文件名是“员工工时与工资”,单击“创建”按钮后,新建立的数据库文件就将被指定保存在Access2000默认的文件夹中。至此,一份新数据库就建立好了,屏幕上也将显示“数据库向导”对话框,如图4所示。




图4在这个对话框中单击“下一步”按钮

步骤三、在“数据向导”第一步操作对话框中单击“下一步”按钮。




图5选择数据库中的表与字段


步骤四、在“数据库向导”的第二步操作对话框中选择“数据库中的表”,以及“表中的字段”。



接下来,您还可以在“数据库向导”中做更多的操作,这是您有能力完成的,本书不再多说了,仅提供操作结束后屏幕上将会显示的窗体,如图6所示。




图6进入“主切换面板”窗体

位于“主切换面板”窗体后面的是“员工工时与工资”窗体,如图8所示。此后,一个新数据库就创建好了,通过这两个窗体即可对它进行各种各样的操作。无论何时使用“数据库向导”新建数据库,中文Access 2000都将自动新建一个切换面板,该面板对浏览数据库很有帮助。“切换面板”中有一些按钮,单击它们可以打开相应的窗体和报表(或打开其它窗体和报表的切换面板)、退出中文Access 2000或自定义切换面板。

注:“窗体”在中文Access 2000的作用就是提供一个操作平台,让您从中选择所要操作的对象,并进入相应的操作对话框
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