August 2022
Beginner to intermediate
463 pages
9h 22m
Chinese
Content preview from Tableau Prep即学即用
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
｜
173
选择输出
分隔值
(CSV)
文件的选项使你能够与其他数据软件产品的用户共享数据。当有人想
要一个数据表格来回答他们的问题时，
CSV
文件也很有用。
CSV
是一种基本的文件格式，这些文件并没有针对数据处理工具的应用进行优化，
所以它们的性能会比
Tableau
优化的文件格式
Hyper
和
TDE
低。
19.1.2
发布到
Tableau
服务器
发布到
Tableau
服务器选项主要用于与他人共享你的数据和
/
或分析时。将你的数据
集提供给他人使用是自助式数据准备的一个关键部分，因为它使其他分析师和专家
能够自己探索数据。使用
Tableau Prep Conductor
（在第
21
章中介绍），你可以将
流程发布到
Tableau Server
中，以按所选择的时间安排来更新数据。
19.2
何时在
Prep Builder
中输出数据
虽然流程结束时是一个明显的输出数据的时间节点，但还有其他选项可以考虑。本
节将讨论两个选项：在
Output
（输出）步骤中输出数据，以及在为了查看最终数据
集在
Tableau Desktop
中的外观而进行预览时。
19.2.1
在输出步骤中输出数据
为了输出数据以供进一步分析，输出步骤提供了两个主要的输出选项：
Save to file
（保
存到文件）或
Publish as a data source
（作为数据源发布）。每个选项的配置过程都不同。
我们先来看看保存到文件这种方式。
Save to file
（保存到文件）
如图
19-3
所示，在将输出保存到文件之前，需要设置多个元素。
Name
（文件名称）
在大型团队和组织中 ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.