How to Build Real‑Time and Offline Data Reconciliation for System Consistency
This article explains why cross‑system data inconsistencies occur, defines key reconciliation metrics—completeness, timeliness, and automatic repair—and provides step‑by‑step designs for both real‑time (seconds‑to‑minutes) and offline (hour‑to‑day) reconciliation, including message‑driven triggers, batch processing, and SQL examples for detecting and fixing mismatches.
