What is database schema versioning and why is it important?

What is database schema versioning and why is it important?

Database schema versioning is the practice of managing changes to a database schema over time. It's important because it helps maintain data integrity, allows for easier collaboration among developers, and ensures that applications can evolve without breaking existing functionality.

How do I implement schema versioning in my project?

You can implement schema versioning by using migration tools like Flyway or Liquibase. These tools help you track changes and apply them systematically.

What are some common challenges with schema versioning?

Common challenges include managing conflicts between team members, ensuring backward compatibility, and keeping track of multiple versions in production.

Can you give me an example of a schema migration?

Sure! An example of a schema migration could be adding a new column to a table. You would create a migration script that alters the table structure and updates the schema version.