Comprehensive Post-Migration Checklist for Database Systems

This document is a comprehensive checklist designed for database administrators (DBAs) and database architects to navigate post-migration processes effectively. It outlines essential tasks to ensure data integrity, functionality, performance, security, and compliance following a database migration. The checklist includes steps for data integrity and consistency checks, compatibility evaluations, functionality assessments, and optimization of indexes and queries. It also addresses client application checks, external dependencies, and verification of custom scripts. Security validation and compliance with data protection regulations are emphasized, along with performance testing, resource utilization monitoring, and stress testing procedures. Backup and recovery configurations, failover tests, and disaster recovery plan updates are detailed to ensure reliability. Additionally, the document covers user verification, training, and ongoing maintenance, including logging and monitoring systems. This checklist is adaptable across various database types and migration scenarios, providing a structured approach to complete database migrations successfully.