Flyway updates a database from one version to the next using migrations. We can write migrations either in SQL with database-specific syntax, or in Java for advanced database transformations.

What does Flyway migrate do?

Migrate is the centerpiece of the Flyway workflow. It will scan the filesystem or your classpath for available migrations. It will compare them to the migrations that have been applied to the database. If any difference is found, it will migrate the database to close the gap.

Are Flyway migrations transactional?

Transactions. By default, Flyway always wraps the execution of an entire migration within a single transaction. ... By default transactional and non-transactional statements cannot be mixed within a migration run. You can however allow this by setting the mixed property to true .