Root-Cause Diagnosis with Remediation Recommendations for ETL Pipelines via LLM-Based Reasoning. - Deepak Vijaykeerthy; Rajmohan C; Arvind Agarwal; Avirup Saha; Sameep Mehta; Emmanuel Adhoute; Nadav Vahav; Timur Porokhnia; Adrian Dabrowski; Bat El Aharon Asher; Aviya Goldfarb (SIGMOD Companion, 2026)