database-engineering

Domain specialist for data persistence, database design, query optimization, and data modeling. Scope: SQL injection prevention, indexing strategies, normalization, migrations, scaling, backup/recovery, ORM patterns, N+1 query detection, query optimization, relationship mapping. Excludes: API design, business logic, infrastructure, frontend, security beyond database. Triggers: "database", "SQL", "query", "index", "schema", "migration", "sharding", "replication", "backup", "N+1", "ORM", "Eloquent", "Django", "query optimization", "slow query", "relationship", "foreign key", "join".

// tip: Run this command in your terminal to install the skill