IICS TUTORIAL:Fix This SQL Error in Informatica IICS| Single-Row Subquery Return More Than One Row .
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Are you facing the “Single-Row Subquery Returns More Than One Row” error in Informatica IICS (Intelligent Data Integration)? 🤯
This is one of the most common SQL errors developers face while working with Source Qualifier, Lookup, or Expression transformations.
In this video, you’ll learn:
✅ Why this error occurs in IICS
✅ Real-world SQL examples causing the issue
✅ How to fix it using JOIN, GROUP BY, DISTINCT, MAX/MIN, and EXISTS
✅ Best practices to avoid this error in future mappings
This tutorial is perfect for:
✔ Informatica IICS Developers
✔ ETL & Data Engineers
✔ SQL Beginners & Interview Preparation
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