Database migrations in production

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Task

📝 **Question:** You need to add a NOT NULL column to a 500M-row Postgres table without downtime. Best approach?

📋 Pick the right answer.

💡 **Hint:** Re-read the theory above if unsure.

Keep going

🚀quiz

Zero-downtime deploys with PostgreSQL

🚀quiz

Docker basics for Python

🚀quiz

GitHub Actions for Python CI

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Prerequisites — what you should know before this track

🎯 Quiz

Question

📝 **Question:** You need to add a NOT NULL column to a 500M-row Postgres table without downtime. Best approach?

📋 Pick the right answer.

💡 **Hint:** Re-read the theory above if unsure.

Keep going

💬 Discussion