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
A formula field is like a real-time calculation that is calculated when it is loaded or requested. It's like a formula in an Excel spreadsheet. We refer to it as loaded or requested, because it's not a calculation that appears while viewing a record in the user interface. When you request the record data, it is calculated (or recalculated) using the following methods:
- By viewing it in the UI or in a report
- By exporting the data through a data loader
- By reading the data through an API call
- By querying the data in a SOQL query
A formula field is always read-only. This means that it's not a field in which you can type or change it's value manually – it is always calculated. As a result of this, the calculation does not perform ...
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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.