Highbrow Technology Interview Questions and Answers

Use Lightning Web Components to display records from Salesforce

• Create a Lightning Web Component (LWC) with a wire method to fetch records from Salesforce

• Use HTML and CSS to design the layout of the component

• Iterate over the fetched records to display them in the component

Create a trigger to count Opportunity Products related to an Opportunity in Salesforce.

• Use an 'after insert' trigger on OpportunityLineItem to count related products.

• Utilize a Map to store Opportunity IDs and their corresponding product counts.

• Example: For each Opportunity, increment the count for each related OpportunityLineItem.

• Consider bulk processing to handle multiple records efficiently.

• Update a custom field on t...read more

A Batch Apex class processes large volumes of records asynchronously in Salesforce.

• Batch Apex implements the Database.Batchable interface.

• It consists of three methods: start, execute, and finish.

• Example: A class that processes leads in batches of 200.

• Use Batch Apex for operations like data cleansing or mass updates.

• Batch jobs can be scheduled or invoked programmatically.