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postgres-patterns

Identify PostgreSQL design and performance gaps and apply best practices.

Updated Feb 5, 2026
Search Tags:#security#indexing#postgresql#rls#query-optimization#db-design
One-click install
npx skills add https://github.com/gugug168/claudecode-tutorial --skill postgres-patterns-gugug168
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: postgres-patterns
Source: https://github.com/gugug168/claudecode-tutorial/tree/main/everything-claude-code-learning/02-Skills/postgres-patterns
Command: npx skills add https://github.com/gugug168/claudecode-tutorial --skill postgres-patterns-gugug168

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

PostgreSQL best practices for schema design, indexing, and security help teams optimize performance and data integrity.

Core Features & Use Cases

  • Indexing strategies for different workloads (B-tree, GIN, BRIN) and when to use them.
  • Schema design guidance balancing normalization and denormalization for performance and maintainability.
  • Security patterns including RLS, role-based access, and safe migrations.

Quick Start

Run a quick schema and query review against your PostgreSQL database using the provided patterns.

Frequently Asked Questions about postgres-patterns

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

FAQPage Schema
How do I choose the right PostgreSQL indexing strategy for my workload?▼

PostgreSQL indexing strategy selection depends on matching index types like B-tree, GIN, or BRIN to your specific query patterns and data distribution. Evaluate workload characteristics to apply the correct indexing type for optimal query speed.

What is the best way to implement Row Level Security in PostgreSQL?▼

The best way to implement Row Level Security in PostgreSQL is by defining role-based access policies directly on tables to enforce data integrity. Apply RLS security patterns to restrict data visibility based on user roles.

How do I design a PostgreSQL schema that balances normalization and performance?▼

Designing a PostgreSQL schema for performance involves balancing normalization for data integrity with denormalization for query speed. Apply schema design patterns to optimize relational database structures for maintainability and fast queries.

When should I use a GIN index instead of a B-tree in PostgreSQL?▼

Use a GIN index instead of a B-tree in PostgreSQL when dealing with composite data types like arrays or full-text search where fast multi-value lookups are needed. B-tree indexing is better suited for standard scalar value comparisons.

Do I need to know RLS policies to optimize PostgreSQL security?▼

Yes, you need to know RLS policies to optimize PostgreSQL security because they provide the mechanism for role-based access control. Implementing RLS ensures data integrity by restricting row-level data access at the database layer.

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