Database Migration Manager FAQs

Question 1

Can I perform migrations without taking my application offline?

Accepted Answer

Yes, the skill provides specific guidance for zero-downtime migrations using the expand-contract pattern, allowing you to deploy changes without locking tables or interrupting service.

Question 2

Which database systems and frameworks are supported?

Accepted Answer

This skill supports PostgreSQL, MySQL, and MongoDB. It is compatible with popular migration frameworks including Flyway, Alembic, Prisma, and Knex, as well as raw SQL versioning.

Question 3

What is required to use this skill?

Accepted Answer

You will need database credentials with DDL permissions, a configured migration framework, and standard CLI tools like psql or mysql for execution and verification.

Question 4

Does it handle rollbacks and data safety?

Accepted Answer

Absolutely. It enforces the creation of corresponding DOWN migrations for every UP change and includes validation steps to ensure your schema can be safely reverted.

Question 5

How does it handle migrations for very large tables?

Accepted Answer

For tables exceeding 10 million rows, the skill provides instructions for using online DDL tools like pg_repack or gh-ost to perform atomic swaps and avoid long-running locks.

Database Migration Manager

Key Features

Use Cases

Database Migration Manager

Key Features

Use Cases