postgresql

Design and optimize PostgreSQL database schemas with data types, indexing, and RLS.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/SUN-Underwriting/SunFlowCRM_DB --skill postgresql-sun-underwriting
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: postgresql
Source: https://github.com/SUN-Underwriting/SunFlowCRM_DB/tree/main/.agent/skills/postgresql
Command: npx skills add https://github.com/SUN-Underwriting/SunFlowCRM_DB --skill postgresql-sun-underwriting

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you design efficient, scalable, and maintainable database schemas specifically for PostgreSQL, avoiding common pitfalls and leveraging its advanced features.

Core Features & Use Cases

  • Schema Design: Guides you through selecting appropriate data types, constraints, and indexing strategies.
  • Performance Optimization: Provides best practices for indexing, partitioning, and RLS to ensure optimal query performance.
  • PostgreSQL Specifics: Addresses unique PostgreSQL behaviors and features like TOAST, MVCC, and extensions.
  • Use Case: You are building a new e-commerce platform and need to design the products and orders tables. This Skill will help you choose the right data types (e.g., NUMERIC for prices, TIMESTAMPTZ for order times), define primary and foreign keys, and create necessary indexes for fast lookups.

Quick Start

Use the postgresql skill to design a schema for a users table with user_id, email, and created_at columns.

Frequently Asked Questions about postgresql

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

FAQPage Schema
How do I design a scalable PostgreSQL schema for an e-commerce platform?

To design a scalable PostgreSQL schema, you must select appropriate data types like NUMERIC for prices and TIMESTAMPTZ for orders, define primary and foreign keys, and apply indexing strategies to ensure fast lookups. This approach leverages constraints and partitioning for maintainability.

What are the best practices for PostgreSQL indexing and partitioning?

PostgreSQL indexing and partitioning best practices involve structuring data to ensure optimal query performance and scalability. Proper indexing accelerates lookups, while partitioning distributes large tables, addressing performance bottlenecks in heavy-load environments.

When should I use Row-Level Security (RLS) in my database schema?

You should use Row-Level Security (RLS) in your database schema when you need to restrict data access at the row level based on user roles. Implementing RLS ensures optimal query performance while maintaining strict data isolation and security.

Does PostgreSQL schema design need to consider MVCC and TOAST behaviors?

PostgreSQL schema design must consider MVCC and TOAST behaviors to optimize storage and concurrency. Addressing these unique PostgreSQL features ensures efficient data modeling, prevents bloat, and maintains performance during high-volume transactions.

What is the safest way to handle schema evolution and DDL operations in PostgreSQL?

The safest way to handle schema evolution in PostgreSQL is by following guided DDL operations that avoid locking issues. This process ensures safe structural changes, maintains scalability, and prevents downtime during database updates.