How do you fully automate Oracle PSU/OJVM patching + PostgreSQL minor/major upgrades across 100+ instances with < 60 sec downtime?
How do you manage and rotate all secrets (wallets, passwords, certs) in GitOps/CI/CD environments?
Top 3 alerts that have saved you in production (exact metric + threshold) for each DB.
Worst database-related outage you’ve led — detection time, root cause, and the one change that prevented recurrence.
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