An app needs a “Setup the Database” routine correct ?
On Jan 24, 2018, at 20:44, Doug Easterbrook <email@example.com> wrote:
> with postgres, you just run your app.. constantly .. adding the field when you want —the act of adding a field does not affect anybody else.
And PostgreSQL allows you to modify the schema in a transaction so if something goes wrong, just roll back!
For more jargon, that’s running DDL (data definition language) statements under MVCC (multi-version concurrency control).
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