postgresql-table-design

Design PostgreSQL schemas with constraints, indexing, and normalization.

1|Updated Jan 15, 2026
One-click install
npx skills add https://github.com/mokbhai/claude --skill postgresql-table-design-mokbhai
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: postgresql-table-design
Source: https://github.com/mokbhai/claude/tree/main/skills/postgresql
Command: npx skills add https://github.com/mokbhai/claude --skill postgresql-table-design-mokbhai

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides a structured approach to designing PostgreSQL schemas that are robust, maintainable, and scalable.

Core Features & Use Cases

  • Best practices for primary keys, normalization, and appropriate data types.
  • Constraints & indexing guidance (PK/FK, CHECKs, NULL handling, and how to index common access patterns).
  • Practical examples for common entities (users, orders) including recommended data types and patterns.

Quick Start

Define a PostgreSQL schema for a simple app with tables users and orders, applying the core rules (PKs, NOT NULL, TIMESTAMPTZ, proper FK indexes) and include example constraints.

Frequently Asked Questions about postgresql-table-design

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

FAQPage Schema
What's the best way to design a PostgreSQL schema for scalability?

To design scalable PostgreSQL schemas, apply best practices for primary keys, normalization, and appropriate data types like BIGINT GENERATED ALWAYS AS IDENTITY and TIMESTAMPTZ to ensure robust and maintainable structures.

How do I index foreign keys in PostgreSQL to improve query performance?

To index foreign keys in PostgreSQL, apply explicit FK indexing strategies tailored to common access patterns. This ensures that joins and lookups on related tables perform efficiently under heavy query loads.

When do I need partitioning in a PostgreSQL table design?

You need partitioning in PostgreSQL table design when managing large datasets that require scalable structures. Partitioning divides massive tables into smaller, manageable pieces to maintain robust access performance.

What data types should I use for PostgreSQL primary keys and timestamps?

For PostgreSQL primary keys and timestamps, use BIGINT GENERATED ALWAYS AS IDENTITY and TIMESTAMPTZ. These data types align with best practices for normalization and ensure robust, maintainable schema design.

How do I use CHECK constraints to enforce data integrity in PostgreSQL?

To enforce data integrity in PostgreSQL, use CHECK constraints alongside proper NULL handling to validate data rules. This ensures schemas remain robust by preventing invalid data from entering the tables.

Does this PostgreSQL schema design approach work for common entities like users and orders?

Yes, this PostgreSQL schema design approach works for common entities like users and orders by providing practical examples. It applies core rules, constraints, and indexing to generate robust and maintainable table structures.