August 2022
Beginner to intermediate
463 pages
9h 22m
Chinese
Content preview from Tableau Prep即学即用
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171
第
19
章
选择输出
Prep Builder
主要是为了在
Tableau Desktop
中准备可视化分析的数据而构建的。
这显然意味着
Tableau
将该工具设计得非常简洁，以便在数据准备好后将其输出到
Tableau Desktop
。然而，因为其足够简洁，可能意味着在使用
Prep Builder
时，会
让你错过可采取的最优输出类型（见图
19-1
）。
图
19
-
1
：Prep Builder 中的 Output（输出）步骤图标
在本章中，我们将介绍
Prep Builder
中的输出选项、何时可以输出数据以及围绕输
出数据构成的其他注意事项。
19.1
输出类型
在
Prep Builder
中，主要有四种输出类型需要考虑：三种文件类型（见图
19-2
）和
一种基于
Tableau Server
的选项。每种类型都有自己的优势，让我们依次来探讨它们。
172
｜
第
19
章
图
19
-
2
：TablePrep 中基于文件的输出选项
19.1.1
发布到文件
以下是三种主要的文件输出类型：
Hyper files
（超文件）
Hyper
文件，
Tableau
新的数据提取形式，让很多数据处理工作变得更快──在某些
情况下，快了很多
!
在
Tableau Desktop
和
Server
的版本中，
Hyper
文件被添加到了
Tableau Desktop
和
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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.