MTX Group Full Stack Developer Interview Questions and Answers

Types of flows include autolaunched flows, screen flows, and scheduled flows.

• Autolaunched flows are triggered by a process or record change

• Screen flows guide users through a series of screens to collect information

• Scheduled flows are triggered based on a schedule or time-based event

Types of tables in reports include summary tables, matrix tables, and joined tables.

• Summary tables provide a high-level overview of data, often with subtotals and grand totals.

• Matrix tables allow for data to be grouped and summarized in rows and columns.

• Joined tables combine data from multiple sources or objects in a single report.

Skinny table is a custom table in Salesforce that contains a subset of fields from standard and custom objects for performance optimization.

• Skinny table is used to improve query performance by reducing the number of joins needed.

• It contains frequently accessed fields from standard and custom objects.

• Data in skinny tables is automatically synchronized with the source objects.

• Skinny tables are read-only and cannot be dir...read more

Apex code follows the by default sharing method of 'with sharing'.

• By default, Apex code enforces sharing rules that apply to the current user.

• This means that the code runs in the user's context and respects their sharing settings.

• Developers can also use 'without sharing' to bypass sharing rules if necessary.

Bypassing sharing rules via apex class involves using 'without sharing' keyword in the class definition.

• Use 'without sharing' keyword in the class definition to bypass sharing rules.

• This keyword allows the apex class to ignore sharing rules and access all data regardless of the user's permissions.

To convert Json data into string in LWC, use JSON.stringify() method.

• Use JSON.stringify() method to convert Json data into string in LWC.

• Yes, callouts can be made from LWC using imperative Apex.

• Precautions before writing queueable Apex class include governor limits, bulkification, and error handling.

• Platform events can be used for inter-component communication in LWC.

• To communicate unrelated LWC components, use Lightni...read more

A Salesforce trigger for after update events allows you to perform actions post record updates.

• Use 'after update' to execute logic after a record is updated.

• Example: Update related records based on changes in the updated record.

• Use Trigger.new to access the updated records.

• Use Trigger.old to compare previous values with new values.

Use an Apex Trigger to count the number of Contacts in a specific Account.

• Create an Apex Trigger on the Contact object.

• Query for Contacts related to the specific Account.

• Use a SOQL query to count the number of Contacts.

• Update a custom field on the Account with the count.

Apex context variables hold different values based on the scenario in Salesforce development.

• Trigger.new and Trigger.old contain new and old versions of records in trigger context

• System.isBatch() returns true in batch context

• System.isFuture() returns true in future method context

• System.isScheduled() returns true in scheduled job context

Salesforce Service Cloud is a customer service platform that helps businesses manage and improve customer interactions.

• It allows businesses to provide personalized customer support through various channels such as phone, email, chat, and social media.

• Service Cloud includes features like case management, knowledge base, and omni-channel routing to streamline customer service processes.

• It integrates with other Salesforce...read more

I would rate my coding skills as proficient, with a strong grasp of Salesforce development and Apex programming.

• Proficient in Apex, having developed multiple triggers and classes for business logic.

• Experienced with Visualforce and Lightning components for UI development.

• Strong understanding of Salesforce data model and SOQL for efficient data retrieval.

• Familiar with best practices in coding, such as bulkification and g...read more

Yes, I have worked on flows in Salesforce.

• I have experience creating flows to automate business processes in Salesforce.

• I have used flows to streamline data entry and update records efficiently.

• I have integrated flows with other Salesforce features like Process Builder and Apex triggers.

Writing trigger on parent child scenario in Salesforce

• Create trigger on parent object

• Use trigger context variables to access child records

• Perform necessary operations on child records based on parent record changes

Service Cloud features, LWC decorators, events, asynchronous apex, batch class, flows, and experience cloud basics.

• Service Cloud features include case management, knowledge base, omni-channel routing, and service console.

• LWC decorators are used to add metadata to Lightning web components, such as @api, @track, and @wire.

• Events in LWC are used for communication between components, such as standard events like onchange a...read more