Database Operations

Writing good queries and operating a database are different jobs. You stand up replication, actually promote a replica, and watch the timeline diverge with your own eyes. Then you diagnose a database that is still up but has gone wrong.

코스

• PostgreSQL Replication and Promotion — Stand up a standby, then actually promote it
• Backup — Bring Deleted Data Back — A backup you have never restored is not a backup
• Schema Changes That Do Not Stop the Service — One migration line can queue up every request
• PostgreSQL Incident Response — Diagnose a database that is up but behaving strangely
• MongoDB — The Judgement Behind Document Databases — Not query syntax, but how far to embed