Postgres best practices maintained by Supabase, for Postgres running anywhere. Load this skill BEFORE writing or changing anything that lives in a Postgres database: creating or altering tables and columns (including choosing column types), schema design, migrations and declarative schema files, RLS policies and the tests that verify them, indexes, triggers, database functions, queues and scheduled jobs (pg_cron, pgmq), vector/semantic search (pgvector), and restoring dumps (pg_restore) or impo…
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Postgres performance optimization rules across 8 priority categories, from query tuning to advanced features.
Organized into 8 rule categories prioritized by impact: query performance and connection management (critical), security and RLS, schema design, concurrency, data access patterns, monitoring, and advanced features Each rule includes detailed explanations, incorrect vs. correct SQL examples, EXPLAIN output analysis, and performance metrics to guide optimization decisions Covers query indexing, connection pooling, Row-Level Security configuration, schema design patterns, locking behavior, and Postgres-specific tuning Designed for use during SQL writing, schema design, performance reviews, and database scaling decisions
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This skill provides a comprehensive set of Postgres performance optimization guidelines and best practices. It consists of static markdown documentation and SQL examples, posing no security risks to the environment.
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Version1.1.1
LicenseMIT
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author
supabase
version
1.1.1
organization
Supabase
date
January 2026
abstract
Comprehensive Postgres performance optimization guide for developers using Supabase and Postgres. Contains performance rules across 8 categories, prioritized by impact from critical (query performance, connection management) to incremental (advanced features). Each rule includes detailed explanations, incorrect vs. correct SQL examples, query plan analysis, and specific performance metrics to guide automated optimization and code generation.
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skill mdSKILL.md3,231 B
docsSUMMARY.md876 B
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SKILL.md
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:
