supabase-postgres-best-practices

Optimize PostgreSQL query performance and security with schema and index best practices.

Updated Jan 24, 2026
One-click install
npx skills add https://github.com/matheus3301/skills --skill supabase-postgres-best-practices-matheus3301
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: supabase-postgres-best-practices
Source: https://github.com/matheus3301/skills/tree/main/postgres-best-practices
Command: npx skills add https://github.com/matheus3301/skills --skill supabase-postgres-best-practices-matheus3301

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses challenges in writing efficient, secure, and performant PostgreSQL queries and database schemas, preventing common performance bottlenecks and security vulnerabilities.

Core Features & Use Cases

  • Query Optimization: Identifies and rectifies inefficient SQL queries, missing indexes, and suboptimal execution plans.
  • Schema Design: Provides best practices for creating robust and scalable database schemas.
  • Security: Enforces security best practices, including Row-Level Security (RLS) configurations.
  • Use Case: When encountering slow query performance, use this skill to analyze the query, identify missing indexes, and refactor the schema for better efficiency.

Quick Start

Use the supabase-postgres-best-practices skill to analyze the query 'SELECT * FROM users WHERE email LIKE '%@example.com%';' for performance issues.

Frequently Asked Questions about supabase-postgres-best-practices

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I optimize slow PostgreSQL queries in Supabase?

To optimize slow PostgreSQL queries, analyze execution plans, identify missing indexes, and refactor suboptimal SQL statements to rectify inefficient data retrieval patterns and restore database performance.

How does Row-Level Security work in PostgreSQL?

Row-Level Security (RLS) in PostgreSQL restricts data access at the row level based on user policies. Configuring RLS enforces security best practices by ensuring users only retrieve rows they are authorized to access.

What is the best way to design a scalable Postgres schema?

The best way to design a scalable Postgres schema involves applying structural best practices to ensure robust data organization. Proper schema design prevents common performance bottlenecks during high-availability operations.

How do I manage database connections for high-availability Postgres environments?

Managing Postgres connections for high-availability environments requires applying specific configuration best practices. Effective connection management ensures efficient data retrieval and prevents connection exhaustion under heavy load.

Can I improve Supabase database performance without changing my application code?

You can improve Supabase database performance without altering application code by optimizing PostgreSQL configurations, adding missing indexes, and restructuring the database schema for better query execution efficiency.

Why does my Supabase query ignore the indexes I created?

Postgres queries ignore indexes when SQL statements use suboptimal patterns like leading wildcards in LIKE clauses. Analyzing the execution plan identifies these inefficiencies and guides query refactoring.