dating game blow a kiss - Updating your database development

by  |  24-Apr-2019 10:26

If you don’t have any experience with high-available systems, you should read about all of them.

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That means that you can execute them during a migration step and don’t need to split them into multiple operations.

Adding new tables or views doesn’t affect the old instances of your application. Just keep in mind that while you’re performing the rolling update, some users might trigger write operations on old application instances.

Removing a database column that is neither accessed by the old nor the new version of your application is also a backward-compatible operation.

No application is using that column anymore so there is also no application that could be affected by its removal.

Updating a database schema is pretty easy if you can take your application offline.

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