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.

collection of SQL - Tableau integration projects for Data Analytics and Business Intelligence

This healthcare analytics project uses SQL queries to extract insights from patient data, encounters data, and etc.

Building a modern data warehouse with Microsoft SQL Server, including ETL processes with Bronze Layer, Silver Layer and the Gold Layer, data modeling and as well as analytics.

Advanced SQL analytics project extending prior EDA work. Includes change-over-time, cumulative trends, performance benchmarking, segmentation, part-to-whole analysis, and customer/product analytical reporting using window functions and real-world data warehouse logic.

A Data Analytics Project on FitBit Fitness Tracker Data.

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

TerraVolt Enterprise-grade SQL Data Warehouse with end-to-end ETL, Medallion Architecture (Bronze–Silver–Gold), and ERP/CRM integration. Features robust data quality, SCD-aware dimensional modeling, and BI-optimized star schemas delivering analytics-ready datasets for scalable reporting and enterprise decision intelligence.

This project implements a complete Modern Data Warehouse using SQL-based ETL pipelines and Medallion Architecture (Bronze/Silver/Gold). It includes raw data ingestion, transformation layers, dimensional modeling, data marts, and analytical reporting structures suitable for business intelligence and data engineering workflows.

Power BI dashboard analyzing 10,000+ banking transactions with KPIs for customer demographics, transaction trends, and account inactivity using SQL Server and DAX

This is a repo for self-studying SQL

Traffic Source Analysis, Website Performance Analysis, Channel Portfolio Analysis, Business Pattern Analysis, Product Analysis and User Analysis

Building a modern data warehouse with SQL Server, including ETL processes, data modeling and analytics.

SQL Data Analytics project showcasing real-world data exploration, segmentation, and reporting using advanced SQL queries and analytical techniques used by data analysts and BI professionals.

Building a modern data warehouse with SQL Server, including ETL processes, data modeling and analytics.

🧠 Structured SQL Learning Repository | Beginner to Advanced Topics + Real Projects 🎯 Covers core SQL skills, window functions, performance tuning, and hands-on data warehousing/EDA projects

This module enables you summarize and identify the quality of the data using concepts such as aggregation and window functions.

Modern Data Warehouse and Analytics Project implementing Medallion Architecture (Bronze, Silver, Gold) with ETL pipelines, SQL data modeling, and analytical reporting.