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《Head First SQL》 (Chinese Edition), 2nd Edition
book

《Head First SQL》 (Chinese Edition), 2nd Edition

by Kimberly Fessel
June 2026
740 pages
13h 7m
Chinese
O'Reilly Media, Inc.
Content preview from 《Head First SQL》 (Chinese Edition), 2nd Edition

第 1 章 数据库 与表:整理您的信息

本作品已使用人工智能进行翻译。欢迎您提供反馈和意见:translation-feedback@oreilly.com

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是时候让您的数据井然有序了。如今,生活的方方面面几乎都与数据息息相关:手机上的应用程序、社交媒体信息流的呈现方式,甚至您记录的关于使用牙线习惯的详细笔记。但只有将所有这些信息以有意义的方式进行整理,才能发挥其作用,从而让您 在需要时找到所需内容

你需要一个系统来帮助你存储和整理数据,而且现在就需要它。 表格 能让你建立秩序,将零散的信息打造成丰富的资产,随时准备从中挖掘洞见。所以,翻开这一页,进来吧,准备好享受 关系型数据库的井然有序的世界吧。

定义您的数据

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艾比收集了大量笔记本、纸片和其他记录。她的收藏已经多得让人应接不暇。数量之多,以至于她再也找不到自己旅行的所有细节了,这真让人沮丧,因为她今年还想来一次长途旅行。让我们帮帮她,让她能重拾冒险之旅吧!

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没错。数据库正是我们所需要的。

数据库能带来 秩序 。它是一种 数字化呈现 。创建数据库后,你可以将信息以整洁且合乎逻辑的格式进行组织。一旦数据整理妥当,你便能在需要时随时轻松访问数据库中的内容!

但在为艾比的旅行信息创建数据库之前,你需要先更清楚地了解有哪些 哪些 数据以及一些 分类 的方法。

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Publisher Resources

ISBN: 0642572408114