Reading-path month: February 2026. Collection published on September 12, 2026. Months organize the reading path; they are not earlier publication dates.
Database roles: separate queries, maintenance and recovery
A shared credential hides distinct operational decisions.
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Reading context
A short architecture article. The technical reference supports the topic; hypothetical scenarios and assessment proposals are editorial analysis, not accounts of personal implementations.
Original source ↗The architecture decision
An application queries data daily; restoration is rare. Sharing one identity between these activities simplifies configuration but makes access harder to limit and explain.
Practical application
Editorial proposal: inventory operations by purpose before granting permissions. In a hypothetical service, distinguish transactional reads, schema migration and recovery. Support needs a defined access path without extracting application credentials.
How to verify
Review one maintenance task in testing and record the permissions it actually needs. Then confirm the everyday identity cannot perform it. This makes operational exceptions explicit and reduces the reach of an application problem.