The most comprehensive SQL guide from a real-world expert! Learn everything from basics to advanced queries, optimizations, and real-world SQL

A comprehensive guide to building a modern data warehouse with SQL Server, including ETL processes, data modeling, and analytics.

This repository contains a collection of SQL scripts demonstrating various analytical techniques, such as changes over time, cumulative, performance, data segmentation, part-to-whole analysis.

End-to-End Data Engineering and BI Project using SQL Server, SSIS, and Power BI.