This repository focuses on developing and optimizing an e-commerce database. It includes comprehensive database design, advanced query techniques, and performance optimization strategies.

A SQL-based fraud detection project using PostgreSQL to analyze transaction data for a bank and uncover high-risk behaviors, repeat offenders, and location-based anomalies.

Structured practice and projects to master SQL from basics to advanced.

End-to-End Data Cleaning and Preparation on a raw FIFA players dataset using PostgreSQL and pgAdmin 4.

This SQL-based project analyzes Pizza Hut's sales data to uncover insights about customer behavior, product performance, and store efficiency. It focuses on optimizing decision-making by leveraging advanced SQL techniques.

Data exploration

SQL analysis of Indian census data.

Exercício de criação de uma locadora de carros em MySQL para a inserção de dados e para o uso de pesquisas e sub-pesquisas utilizando os métodos "join", "left join", "where", "from" entre outros..

This repository contains SQL queries for the SQL for Data Analysis given by Udacity. The queries include commands to define, select, manipulate, control access, aggregate, and join data and data tables.

SQL Project on Pizza Sales

End-to-end SQL project analyzing pizza sales data using joins, aggregations, subqueries, and window functions to derive business insights such as revenue trends, top-selling products, customer demand patterns, and operational performance.

This repository has the code for my SQL project where I have created a database in MySQL for a blood bank containing all the necessary information such as the details of the staff such as: Managers, Recording Staff, Disease Finders, etc. Details of Blood Specimens and donors and visits as well. It also has queries that can be used on real data.

Homework solutions for SoftUni PostgreSQL course

Answers for the LeetCode SQl 50 Questions.

This project involved analyzing data for Rockbuster Stealth LLC, a fictional movie rental company transitioning to an online video rental service.

Employee Insights Dashboard

SQL PROJECT FOR DATA ANALYSIS

A Data Collection and Storage project using SQL from TripleTen

SQL analysis of Forbes Global 2000 using CTEs, window functions, subqueries and views.

This portfolio highlights advanced SQL — joins, subqueries, and CTEs — applied to realistic business cases using the Northwind database as a model of an enterprise setting. It shows how data insights support decisions in fintech, consulting, and retail analytics.