Lesson 864 of 1570
AI and Database Migrations: Change Your Schema Safely
AI writes migration files so you can add a column without losing your existing data.
Lesson map
What this lesson covers
Learning path
The main moves in order
- 1The big idea
- 2migration
- 3schema
- 4rollback
Concept cluster
Terms to connect while reading
Section 1
The big idea
A database migration is a file that describes a change to your database structure, like adding a new column. AI can write these for you so the change is repeatable and can be rolled back if something breaks.
Some examples
- Ask AI: 'Write a Prisma migration that adds a `streak` column to the User table.'
- AI generates both the up (apply) and down (undo) steps.
- AI warns you to back up production before running a destructive migration.
- Ask AI to write a data migration that fills in defaults for old rows.
Try it!
Add a new column to a project database. Ask AI to write the migration, then run it locally and check it worked.
End-of-lesson quiz
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