Database Migration Manager Overview Create, validate, and execute database schema migrations with full rollback support across PostgreSQL, MySQL, and MongoDB. Prerequisites - Database credentials with DDL permissions (CREATE, ALTER, DROP TABLE) - Migration framework installed and configured (Flyway, Alembic, Prisma, Knex, or raw SQL versioning) - Version control for migration files (Git repository) - Access to a staging database matching production schema for testing migrations - or CLI for executing and verifying migrations - Current schema baseline documented or captured via Instructions 1.…