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.

This repository features SQL-based analysis on bike rentals and the NFT market. The bike rental project explores customer trends, peak rental times, and revenue insights, while the NFT case study analyzes sales trends, blockchain transactions, and market dynamics. Built using SQL queries for data cleaning, aggregation, and joins in MySQL.

SQL case studies and exercises from my studies at Mate Academy. This repository contains queries for data analysis, transformations, and optimization, covering topics like joins, window functions, and aggregate queries. A learning journey in SQL for data analytics.

Using complex SQL queries, including PostgreSQL window functions, to answer specific business questions. Notably using multiple named subqueries, views to extract data from a database to address specific problems.

A collection of T-SQL scripts I written throughout my journey as a Data Analyst, Data Engineer, and BI Developer. They demonstrate the use of window functions, calculating dates, dynamic SQL, stored procedures, and other out of the box solutions.

MySQL-for data analytics

SQL exercises and projects done at alx training

SQL_Notes: Learn SQL concepts through practical application! This repository contains concise notes on key SQL concepts, commands, and techniques, illustrated by solutions to LeetCode SQL challenges and exercises from other sources. Sharpen your SQL skills by understanding the why behind the code!

bunch of SQL Window function query examples

Built a Data Model, Implemented Basic to Advanced SQL Queries

A complete SQL analytics project using a simulated data warehouse. It analyzes sales, customer, and product data with CTEs, joins, window functions, subqueries, and views to deliver insights on trends, segmentation, and KPIs, showing how SQL enables data-driven decisions without BI tools.

Demo of using window function with JOOQ & Springboot

Danny Ma's #8WeekSQLChallenge case study solutions.

sql along with a case study

data-modeling-analysis-sql

MySQL + Tableau Project

MySQL code using subqueries and window functions

Case Study #1 - Danny's Diner

This repository provides a comprehensive guide for building production-ready data warehouses using SQL Server. It walks through the complete process of implementing a modern data warehouse using Medallion Architecture (Bronze, Silver, Gold layers) with practical code examples and detailed.

This repository contains the solutions of the 8 case studies for The 8 Weeks SQL Challenge