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.

Supply Chain Data Analysis using SQL | MySQL | Relational Database | Joins | Subqueries | Revenue Trend Analysis

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.

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.

Data exploration

SQL Project on Pizza Sales

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 analysis of Indian census data.

SQL PROJECT FOR DATA ANALYSIS

A Data Collection and Storage project using SQL from TripleTen

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

Employee Insights Dashboard

An Oracle Cloud based OLTP project that simulates data transactions, persistence and management for online e-commerce applications using Normalization, Data Modelling, SQL/PLSQL and Oracle RDBMS

Database design and implementation for a music festival using SQLite.

Answers for the LeetCode SQl 50 Questions.

Homework solutions for SoftUni PostgreSQL course

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.

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