How do I get SOQL child records?

How do I get SOQL child records?

Parent to child query in salesforce using inner query

1. Here are two examples of parent to child query in salesforce.
2. List accList = [select id,name,(select name, id, email from contacts) from account];
3. List accList = [select id, (select id, name from tests__r) from account];

How do I create a parent-child relationship in Salesforce?

To set up a parent-child relationship for cases in Classic:

1. Go to Setup | Customize | Cases | Page Layouts.
2. Click on Edit next to page layout for which you wish to enable ‘Parent Case”.
3. From Case (Support) Layout select Fields drag Parent Case and move it to your page layout.
4. Click Save.

How to access parent sobject from child sobject?

You can query on second object, using __r you would be able to fetch parent fields, for child fields do a inner join. Here is an example: Just want to add to Derek’s answer, which seems to most directly address your core issue. However my additional perspective a bit too much for a comment.

How to query parent to child sobject in apex?

Setting the relationship via Id does not affect this name pointing reference in the least, unless you re-query for the data. You can use parent to child relationship query all the child records of parent if you know the relationship name. Understand child relationship names and use that name in inner query.

How to query for more than one level of child records?

One thing we can do, is deserialize JSON into SObjects. And that deserialization process will work with more than 1 level of child relationships included in your JSON. So by serializing the objects in the hierarchy and using them like building blocks to create some new JSON representing things in the way we’d like them, we can solve our problem.

What can a sobject be used for in Salesforce?

For example, the Contact sObject has both an AccountId field of type ID, and an Account field of type Account that points to the associated sObject record itself. The ID field can be used to change the account with which the contact is associated, while the sObject reference field can be used to access data from the account.