query-writing

What problem does it solve?

This skill helps users translate business questions into executable SQL queries to retrieve data from relational databases.

Core Features & Use Cases

• Build and execute SQL queries to extract insights, perform joins, and generate reports.
• Plan and validate queries against table schemas, identify join keys, and apply aggregations.
• Use cases include revenue analysis, customer segmentation, and operational data reporting.

Quick Start

Example: Revenue by Country SELECT c.Country, ROUND(SUM(i.Total), 2) as TotalRevenue FROM Invoice i INNER JOIN Customer c ON i.CustomerId = c.CustomerId GROUP BY c.Country ORDER BY TotalRevenue DESC LIMIT 5;