소개
Provides expert guidance for working with PostgreSQL databases, covering everything from basic CRUD operations to advanced features like JSONB and full-text search. This skill enforces rigorous standards for query readability through CTEs and explicit column selection, while ensuring data integrity with normalization and foreign key constraints. It is particularly useful for developers looking to optimize database performance through effective indexing and EXPLAIN ANALYZE profiling, as well as those implementing secure patterns like row-level security and parameterized queries.