subqueries-and-joins

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

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

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

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 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 PROJECT FOR DATA ANALYSIS

A Data Collection and Storage project using SQL from TripleTen

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.

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.

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..

SQL analysis of Indian census data.

End-to-end SQL analysis of a Food Delivery database using MySQL, covering EDA, joins, subqueries, CTEs, window functions, and business insights for data-driven decision-making.

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.