May 2019
Intermediate to advanced
546 pages
12h 41m
English
Content preview from Salesforce Platform Developer I Certification Guide
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Creating relationships
In our movie example, we have our Movie object and we have our Person object. To create a many-to-many relationship between both, we need a junction object. As I mentioned previously, we will be using Cast as a junction object. So, let's create that junction object and see why we did that:
- Navigate to Setup | Object Manager.
- Create a new custom object with the following details:
- Label: Cast
- Plural: Cast
- Record Name: Role Name
- Type: Text
- Allow Search: true
- Leave the other defaults as is
- Now, create a new custom field:
- Type: Master-Detail Relationship
- Related to: MOVIE
- Label: Movie
- Field Name: Movie
- Child Relationship Name: Cast
- Leave all other defaults and click next, next, save
- Create the second custom field ...
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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.