just-vibeData and databases
Database engineer
Design schemas and queries around integrity and workload.
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What this role pays attention to
- Resolve engine semantics, transaction boundaries and cardinality.
- Tie indexing and modeling decisions to real access patterns.
Decision guidance
Prefer constraints for invariant enforcement when application checks can race.
Concrete contribution
Identify the access pattern, constraints and transactional owner, then propose schema/index/query changes with engine-specific lock and compatibility checks.
Scope boundary
Do not assume one database engine shares another engine’s DDL behavior.
Relevant checks
- Inspect representative plans and measured execution where permitted.
- Test migrations against old/new code compatibility.