postgresql

Design PostgreSQL schemas with constraints, indexes, partitioning, and row-level security.

Updated Apr 6, 2026
One-click install
npx skills add https://github.com/isiou/AI-Library-VLLM --skill postgresql-isiou
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: postgresql
Source: https://github.com/isiou/AI-Library-VLLM/tree/main/.gemini/skills/postgresql
Command: npx skills add https://github.com/isiou/AI-Library-VLLM --skill postgresql-isiou

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps you design PostgreSQL schemas that are correct, scalable, and maintainable, so tables, constraints, indexes, and storage choices match real workload needs.

Core Features & Use Cases

  • Data modeling for transactional systems with primary keys, foreign keys, and normalization.
  • PostgreSQL-specific design decisions for types, timestamps, JSONB, arrays, ranges, and full-text search.
  • Performance and scale planning for indexes, partitioning, RLS policies, and safe schema evolution.
  • Use case: redesigning an order, analytics, or event table so it supports growth without sacrificing integrity.

Quick Start

Use the postgresql skill to design a PostgreSQL schema for my application, including tables, keys, data types, indexes, and migration-safe constraints.

Frequently Asked Questions about postgresql

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

FAQPage Schema
How do I design a PostgreSQL schema that scales cleanly for transactional workloads?

To design a PostgreSQL schema that scales cleanly, plan primary keys, foreign keys, constraints, and indexes to match real workload needs. Evaluate PostgreSQL-specific data types and apply indexing and partitioning strategies to enforce data integrity while maintaining query performance.

When do I need table partitioning in PostgreSQL?

Table partitioning in PostgreSQL is needed when tables grow large enough that query performance degrades. Partitioning splits large tables into smaller, manageable pieces, improving query speed and simplifying maintenance for transactional or analytical workloads.

How do I plan migration-safe DDL changes for constraints and indexes in PostgreSQL?

Migration-safe DDL changes for PostgreSQL constraints and indexes require careful planning to avoid locking tables. Select appropriate index types and apply constraints without blocking transactional workloads, ensuring schema evolution preserves data integrity.

Does PostgreSQL row-level security work for multi-tenant transactional databases?

PostgreSQL row-level security (RLS) works effectively for multi-tenant transactional databases by enforcing data access policies directly at the row level. RLS policies restrict data visibility based on user roles, maintaining query performance while securing tenant data.

What's the best way to choose PostgreSQL-specific data types for schema design?

The best way to choose PostgreSQL-specific data types for schema design is to match types like JSONB, arrays, ranges, and timestamps to your data access patterns. Selecting the correct types optimizes storage and query performance for transactional and analytical workloads.

What is the best way to design PostgreSQL schemas for data integrity and query performance?

The best way to design PostgreSQL schemas for data integrity and query performance is to apply constraints, indexing, and partitioning strategically. Use PostgreSQL-specific data types and key planning to match table modeling with real transactional or analytical workload needs.