These are working as of 2nd July 2021, some dispense once daily, once every hour etc Please return testnet coins when you're done testing so that others can keep building
Originally taken from: Braintree Article and expanded on by me.
- Add a new column
- Drop a column
- Rename a column
- Add an index concurrently (Example), Note: it will still take a long time to run the migration, but it won't write-lock the table.
- Drop a constraint (for example, non-nullable)
- Add a default value to an existing column