How to Perform Multi-Step Salesforce Lookups Before Upserts Using Low-Code ETL
Teams often receive CSV donations without Salesforce IDs. They need to match rows to existing Contacts, Accounts, or Campaigns, then upsert Opportunities or Payments. This guide explains how to implement multi-step Salesforce lookups before upserts using a low-code ETL approach. It is written for data engineers, admins, and operations teams who own file-based integrations. You will learn core concepts, design patterns, and a production-ready sequence.