August 2022
Beginner to intermediate
463 pages
9h 22m
Chinese
Content preview from Tableau Prep即学即用
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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.
384
｜
第
42
章
图
42
-
3
：清理步骤的图标
Prep
开发人员提供了图标，显示了在清理步骤中发生的一些顶层操作。例如，如图
42-4
所示的步骤包括一个过滤器和一个计算，并且一个字段已经被删除。
图
42
-
4
：带图标的清理步骤，用于演示不同的清理操作
这些图标可以让用户很好地、快速了解正在发生的事情，或者在以后返回数据时提
醒你发生了什么。步骤名称需要非常简洁，因为在流程窗格中只能显示有限的字符。
42.4
步骤描述
与步骤名称不同的是，步骤描述可以长很多──
200
个字符。它们还有一个显著的
好处是可以进行可见、不可见切换。在如图
42-5
所示的联合中，单击灰色引号图标
将隐藏或显示流程窗格中的描述。
图
42
-
5
：带描述文档的联合步骤
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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.