Streamlining Data Migration with AWS DMS Data Resync: A Comprehensive Guide

AWS Database Migration Service (DMS) has introduced Data Resync to detect and resolve data inconsistencies during database migrations. This feature eliminates the need for manual intervention and is available in all regions where DMS supports migrations from Oracle or SQL Server to PostgreSQL or Amazon Aurora PostgreSQL-Compatible Edition. To configure Data Resync, enable it while creating or modifying a task and schedule it using a Cron expression. The feature creates an awsdms_validation_failures_v2 table on the target endpoint to track and address mismatches.