sql-analysis

Analyze relational database data using SQL joins, window functions, CTEs, and subqueries.

Updated May 9, 2026

Search Tags:#data analysis #sql #database queries #subqueries #sql joins

Ready to run

npx skills add https://github.com/LeandroBenjaminL/lend-ai --skill sql-analysis-leandrobenjaminl

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: sql-analysis
Source: https://github.com/LeandroBenjaminL/lend-ai/tree/main/skills/sql-analysis
Command: npx skills add https://github.com/LeandroBenjaminL/lend-ai --skill sql-analysis-leandrobenjaminl

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires sqlalchemy, psycopg2, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides efficient and readable SQL queries for direct data extraction from databases, solving the need for complex joins, subqueries, and window functions without data movement to Python.

Core Features & Use Cases

SQL Analysis: Perform data analysis with SQL joins, window functions, CTEs, and subqueries.
Efficient Queries: Write efficient and legible queries to extract insights directly from the database.
Use Case: When you need to query databases, perform SQL analysis, joins, subqueries, or window functions without moving data to Python.

Quick Start

Use the sql-analysis skill to analyze a specific dataset using SQL.

Frequently Asked Questions about sql-analysis

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

FAQPage Schema

How do I run SQL analysis with joins and window functions without moving data to Python?▼

SQL analysis can be performed directly on your relational database using joins, window functions, CTEs, and subqueries. This approach extracts insights efficiently without needing to move data into Python for processing.

What is the best way to write efficient SQL queries for administrative data extraction?▼

Efficient SQL queries for data extraction should be readable and leverage CTEs, subqueries, and window functions. This ensures complex administrative workflows are handled directly within the relational database.

Do I need SQLAlchemy and psycopg2 to connect to a database for SQL queries?▼

Yes, you need the Python libraries SQLAlchemy and psycopg2 to establish the database connection and execute SQL queries. These dependencies are required for the data extraction process.

Can I use SQL subqueries and CTEs for direct data extraction from relational databases?▼

Yes, SQL subqueries and CTEs are fully supported for direct data extraction from relational databases. They allow you to perform complex data analysis and structure your queries legibly without moving data.

Why use in-database SQL analysis instead of pulling data into Python for processing?▼

In-database SQL analysis avoids the overhead of moving large datasets into Python. By using SQL joins and window functions, you extract only the necessary insights, resulting in faster and more efficient queries.