Act as a backend developer. Framework/tool: [Laravel, Django, Rails, Prisma, Alembic, raw SQL] Database: [PostgreSQL/MySQL] Change needed: [e.g. add column, rename table, split a field] Table size: [rows] Write the up and down migration, any data backfill, how to deploy it safely without downtime (e.g. expand-and-cont…
Coding & Development
Write a database migration
Create safe, reversible migrations for schema changes, including data backfills.