Design or review database schemas, entities, relationships, indexes, and migrations from business requirements, use cases, or existing code. Use when a task changes tables, reporting, data contracts, or persistence strategy.
schema, migration, index, entity, relationship, table design, or database modeling.dba-mcp.backend-layering.process-modelingdocs/knowledge-base/README.md for requirements, BPMN, and quality/test implications.docs/knowledge-base/process-engineering.md for stakeholders, vision document, BPMN, use cases, and activity-diagram guidance.docs/prompt-bank/feature-spec.md when the schema work belongs inside a larger feature prompt.