Developer Support Engineer Interview Questions and Answers

Create a trigger on child object to update parent object when all related child records have a closed status.

• Create a trigger on the child object to run before insert and update events.

• Query all related child records in the trigger context.

• Check if all child records have a closed status.

• Update the parent object if all child records have a closed status.

Custom Settings are hierarchical data that can be accessed using Apex code, while Custom Metadata are records that can be accessed using SOQL queries.

• Custom Settings are hierarchical data that can be accessed using Apex code, while Custom Metadata are records that can be accessed using SOQL queries.

• Custom Settings are used to store data that is organization-specific, while Custom Metadata is used to store metadata that can be deployed between orgs.

• Custom Settings can be acces...read more

Queueable and Future Apex are both ways to run processes asynchronously in Salesforce, but they have some key differences.

• Queueable allows chaining of jobs and implements the Queueable interface, while Future Apex does not support chaining.

• Queueable jobs can be monitored and managed through the Apex Jobs page in Salesforce, while Future Apex jobs cannot be monitored in the same way.

• Queueable jobs have a limit of 50 jobs in the queue per transaction, while Future Apex has a li...read more

Decorators in LWC are used to add metadata to class properties or methods.

• Decorators are declared with the @ symbol before the name, like @api or @wire.

• They are used to define public properties, wire adapters, and event handlers in LWC.

• Example: @api property or @wire(getRecord, { recordId: '$recordId' }) wired method.