在第 3 章中，我们使用 Power Apps 创建了一个简单的应用程序来跟踪自己的专业技能。我们使用存储在 OneDrive for Business 中的 Excel 电子表格来保存和跟踪这些技能，而我们的 Power App 则负责读取和写入该电子表格。我们还看到了我们使用的方法是如何创建表格的，这样我们就可以看到我们的条目，并从列表中进行选择。我们甚至还看到，我们可以创建新技能和编辑现有技能。有了这个基础，你就可以继续创建许多其他的个人应用程序，但要与他人共享的应用程序往往会更加复杂，尤其是在数据保存方式上。这就是微软 Dataverse（以及其他潜在服务）的用武之地。
什么是 Microsoft Dataverse？Dataverse 是一个安全数据库，但与 Power Platform 的其他功能一样，它的设计目的是消除建立适当数据库背后的大量复杂工作。它允许你创建信息表，并定义这些表之间的关系。Dataverse 还会创建一系列常用的标准列作为表格的一部分，如创建时间、创建日期、修改时间、状态等，从而为您提供帮助。这样做的好处是，您将拥有可用于审计和报告的列；这些列通常会被新用户忽略，因此您不必担心在忘记了几列的情况下再回头添加它们。
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