Question library
Questions from real interviews. Drill any of them by voice in a couple of minutes, with an interviewer, a score and feedback.
You need to rename a column in a large table, and the service deploys without downtime via rolling updates. How would you carry out this change?Mid-levelYou need to rename a column in a large table that a service is actively using under load, and do it with zero downtime. How would you run the migration and the deployment?Senior