Expert Tips for Interviews & Certifications
Fast, reliable Apex leans on three pillars: relationship queries, aggregate SOQL, and thoughtful subqueries—while steering clear of N+1 patterns. Nail these and your code stays bulkified, selective, and governor-limit friendly. Relationship SOQL (child → parent): follow lookups with dot notation Concept: Pull fields from a parent record in the same...
When Salesforce orgs get big, keeping things tidy is critical. The best way to do that is by separating responsibilities clearly.Your domain layer should model business rules, the Repository should handle data access (SOQL/DML), Services should coordinate your use cases, and the Unit of Work should manage commits in one...