Access入门教程 19.4 设置和取消数据库密码
首先我们先讲讲 设置 和 取消 数据库 密码 。将鼠标单击ACCESS菜单栏上的工具主题，将鼠标移动到随后弹出的菜单上的 安全项上，这时在安全项的右面弹出一个更小的菜单。将鼠标移动到这个菜单的第一项 设置 数据库 密码 上，单击鼠标左键。就会弹出一个 设置
首先我们先讲讲设置和取消数据库密码。将鼠标单击ACCESS菜单栏上的"工具"主题，将鼠标移动到随后弹出的菜单上的 "安全"项上，这时在"安全"项的右面弹出一个更小的菜单。将鼠标移动到这个菜单的第一项"设置数据库密码"上，单击鼠标左键。就会弹出一个"设置数据库密码"的对话框，
在这个对话框中要我们在第一个文本框中要我们输入数据库密码，并在第二个文本框中再输入一遍刚才输入的密码，以保证我们输入的密码不会因为误输造成我们以后无法打开自己的数据库。将这些完成以后，就单击确定按钮。
这时候弹出一个提示窗口，它提示要用独占方式打开数据库才能设置或撤销数据库密码。
记住要设置数据库密码时，必须要保证这个数据库的打开方式是独立打开方式。好在这个提示框中告诉我们怎样以独立方式打开一个数据库。那我们现在就单击这个提示框上的确定按钮，然后单击"设置数据库密码"对话框上的取消按钮。再单击数据库按钮上的关闭按钮来关闭这个数据库，然后再将鼠标移动到ACCESS 工具栏上的打开图标按钮上，单击鼠标左键，这时会弹出一个"打开"对话框，
在这个对话框中选择需要打开的数据库，然后将鼠标移动到这个对话框中"打开"按钮右面的向下按钮。在弹出的菜单中选择"以独占方式打开",并单击这个选项。
现在我们打开的数据库就可以设置它的密码了。按照刚才我们输入密码的过程再来一遍，这样就可以给这个数据库设置密码了。当下次打开这个数据库的时候，就会发现在打开数据库之前就会在屏幕上出现一个对话框，要求你输入这个数据库的密码。
只有你输入正确的密码才能打开这个数据库，否则就不能打开这个数据库。
撤销密码也很简单，当你给一个数据库已经设置了一个密码后，要想撤销这个密码，就再用独立方式打开这个数据库，然后单击原来是"设置数据库密码"那个命令的位置，现在已经是"撤销数据库密码"命令了，单击这个命令，这时会在屏幕上弹出一个对话框，
这次我们只要再输入一次正确的密码，就可以将这个数据库密码撤销了。
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