What is Migration?
A controlled way to change your database structure over time, with the ability to undo changes
Why It Matters
Migrations let you evolve your database safely and keep track of all structural changes
Real-World Example
A migration that adds a 'phone_number' column to the users table
Learn More at buildDay Melbourne
Want to understand these concepts hands-on? Join our one-day workshop and build a real web application from scratch.
Related Terms
Database
An organised collection of data that your application can store, retrieve, and update
Schema
A blueprint that defines the structure of your data, including fields and their types
ORM
A tool that lets you work with database data using your programming language instead of SQL
SQL
A language for communicating with databases, used to create, read, update, and delete data
NoSQL
Databases that store data differently from traditional tables, often as flexible documents or key-value pairs
PostgreSQL
A powerful, free, open-source database known for reliability and advanced features