May 2019
Intermediate to advanced
546 pages
12h 41m
English
Content preview from Salesforce Platform Developer I Certification Guide
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Record security – with and without sharing
You have learned a lot about sharing, which is one of the most important (and powerful) security layers of Salesforce. You can decide which user has access to which record. Even if your database has tons of records, the system can decide very quickly if the user has access to the record or not.
In Apex, you need to verify if the user has access to the record or not by sharing. For each object that has a sharing model other than public Read/Write, you have a Share object as well (such as AccountShare). This share object is a junction object between your record and the user. If you execute the query, you can find out if a user has access to the account mentioned:
SELECT UserOrGroupId, AccountId, AccountAccessLevel ...
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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.