Generator för migrations-SQL
Beskriv en schemaändring och få matchande SQL för upp- och nedmigrering i Postgres eller MySQL, med den säkra ordningen för en tabell i drift.
🔒 Det här verktyget körs helt i din webbläsare. Dina filer laddas aldrig upp till en server.
Developer
Migration SQL Generator
Frontend preview — no upload or external service.
Migration SQL
Up: ALTER TABLE orders ADD COLUMN customer_ref text; CREATE INDEX CONCURRENTLY idx_orders_customer_ref ON orders (customer_ref); Down: DROP INDEX and DROP COLUMN in reverse order.
How Generator för migrations-SQL works
- Open Generator för migrations-SQL and review the example state before entering your own values.
- Enter or select the information needed for Generator för migrations-SQL.
- Review the result and adjust the inputs if you want to compare another case.
Describe a schema change and get matching up and down migration SQL for Postgres or MySQL, including the safe ordering for a live table. The interactive workspace runs in your browser, so you can review the result without creating an account.
FAQ
What is Generator för migrations-SQL used for?
Describe a schema change and get matching up and down migration SQL for Postgres or MySQL, including the safe ordering for a live table.
Do I need an account?
No. The tool is available directly in the browser without an account or sign-up.
What should I do if the result looks unexpected?
Check the entered values and compare them with the guidance shown in Generator för migrations-SQL. Use the result as a planning aid and verify important decisions independently.