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Postgresql · Supabase · Databases / AGENT SKILL
supabase-postgres-best-practices
0
Optimize Postgres queries, schema designs, and database configurations using Supabase best practices.
Postgres performance optimization and best practices from Supabase. Use this skill when writing, reviewing, or optimizing Postgres queries, schema designs, or database configurations.
Understand the trade-offs.
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# Supabase Postgres Best Practices Comprehensive performance optimization guide for Postgres, maintained by Supabase. Contains rules across 8 categories, prioritized by impact to guide automated query optimization and schema design. ## When to Apply Reference these guidelines when: - Writing SQL queries or designing schemas - Implementing indexes or query optimization - Reviewing database performance issues - Configuring connection pooling or scaling - Optimizing for Postgres-specific features - Working with Row-Level Security (RLS) ## Rule Categories by Priority | Priority | Category | Impact | Prefix | |----------|----------|--------|--------| | 1 | Query Performance | CRITICAL | `query-` | | 2 | Connection Management | CRITICAL | `conn-` | | 3 | Security & RLS | CRITICAL | `security-` | | 4 | Schema Design | HIGH | `schema-` | | 5 | Concurrency & Locking | MEDIUM-HIGH | `lock-` | | 6 | Data Access Patterns | MEDIUM | `data-` | | 7 | Monitoring & Diagnostics | LOW-MEDIUM | `monitor-` | | 8 | Advanced Features | LOW | `advanced-` | ## How to Use Read individual rule files for detailed explanations and SQL examples: ``` references/query-missing-indexes.md references/schema-partial-indexes.md references/_sections.md ``` Each rule file contains: - Brief explanation of why it matters - Incorrect SQL example with explanation - Correct SQL example with explanation - Optional EXPLAIN output or metrics - Additional context and references - Supabase-specific notes (when applicable) ## References - https://www.postgresql.org/docs/current/ - https://supabase.com/docs - https://wiki.postgresql.org/wiki/Performance_Optimization - https://supabase.com/docs/guides/database/overview - https://supabase.com/docs/guides/auth/row-level-security