Ep.1 Apex Interview Questions and Answers | DML, Transactions & Best Practices
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In this video, we dive into frequently asked Salesforce interview questions for both developers and admins, with a special focus on Apex programming. Whether you're preparing for a job interview or brushing up your development skills, these Apex concepts and real-world examples will help solidify your understanding.
⏱️ Timestamps:
00:00 – Introduction
00:15 – What is Apex in Salesforce?
01:18 – Why is Apex considered a strongly typed language?
02:50 – What does it mean that Apex is object-oriented?
04:10 – Where is Apex executed? (Multi-tenant cloud environment)
05:05 – How does Apex interact with Salesforce APIs?
05:25 – What control statements are available in Apex?
05:40 – What is transaction control in Apex?
07:15 – What are DML operations in Apex?
07:30 – What is Upsert in Apex?
07:50 – What is Merge in Apex?
08:41 – What is Undelete in Apex?
09:07 – Difference between DML Statement vs Database class methods
09:48 – Use of Try-Catch in DML operations
10:06 – What is an Interface in Apex?
📌 Covered Topics:
Apex basics & syntax
DML operations (Insert, Update, Delete, Upsert, Merge, Undelete)
Control and transaction flow
Error handling using Try-Catch
Interfaces and real-world examples
Key differences from Java
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