May 2019
Intermediate to advanced
546 pages
12h 41m
English
Content preview from Salesforce Platform Developer I Certification Guide
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Formula fields
We have already explained what formula fields are in Chapter 1, Salesforce Fundamentals, but let's recap what we know about formula fields first. We'll learn more about their use in this section:
- A formula is similar to a calculation that is executed or evaluated at the time we access/read the record, through the UI, a Visualforce page, the API, or Apex.
- A formula field is read-only; you cannot edit it! You can edit the formula itself as an administrator from setup, but end users will never be able to edit the value/result from the UI.
- A formula can make use of various data of the record itself or related data and even fixed variables to perform its calculations. Think of them as formulas you would use in an Excel spreadsheet. ...
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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.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.