AI engineering glossary · SQL databases

What is migration?

Migration (also called Schema migration): A versioned, repeatable script that moves a database schema from one state to another, kept in source control and applied in order across environments. Tools such as Alembic and Flyway automate applying and tracking them.

Level: intermediateTopic: SQL databases

Migration: an example

A migration adds a phone column in version 12, so every developer and the production database reach the same schema.

Related terms

More SQL databases terms

Where you learn it

Migration is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.

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