SQL

SQL stands for structured query language. It uses commands such as “select”, “insert”, “update”, “delete”. Some common relational database management systems that use SQL are: Oracle, MySQL, Microsoft SQL Server, PostgreSQL, etc.

GitHub: https://github.com/topics/sql
Wikipedia: https://en.wikipedia.org/wiki/SQL
Created by: Donald D. Chamberlin, Raymond F. Boyce
Released: 1986
Related Topics: database,
Last updated: 2026-07-07 00:26:23 UTC
JSON Representation

https://github.com/threadnew/codeguide

理论+实战=知识；CodeGuide提供一个代码平台，收集各种技术的示例，方便初学者更好的巩固理论知识。

java mybatis mysql nutz spring spring-boot springcloud sql

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https://github.com/sujith-da279/2market_consumeranalytics

Customer behaviour analysis for 2Market, a global retailer, delivering actionable insights across demographics, advertising channels, and product preferences.

business-data-analysis customer-segmentation data-visualization demographic-analysis marketing-analytics report sql tableau-dashboards

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https://github.com/rp-bot/5nf-sql-project

SQL Project that has a 5nf design.

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https://github.com/davidkhala/oracle-database-collection

collection of Oracle Database tools, documentation and notes

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https://github.com/danimal141/sqlzoo

My solutions to https://sqlzoo.net/

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https://github.com/shrunga92/netflix_data_analysis_sql

This project involves a comprehensive analysis of Netflix's movies and TV shows data using SQL.

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https://github.com/mayurjadhav1998/instago-sql

This repository contains SQL scripts for transaction processing, data aggregation, and reporting. Key features include sales summaries, order management, payment mode analysis, transaction failure tracking, and performance insights. Optimized for PostgreSQL, these scripts are designed for scalable data analysis and reporting.

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https://github.com/alenales/social-network-analytics

Проект направлен на выстраивание аналитики с нуля для приложения, объединяющего ленту новостей и ленту сообщений.

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https://github.com/sh4rkvicc/20241_bdparadatascience_senai

Neste repositorio há meu processo de aprendizado no curso Banco de Dados Para Data Science disponibilizado pelo Senai Frederico Jacob.

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https://github.com/ialam085/a2z_sql_solutions

The objective of the SQL report is to understand all the Basic SQL-Server Queries/Scripts as well as all kind of String Functions

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https://github.com/piyushkumar2025/e-commerce-sales-analysis

Conducted analysis of 100,000 orders (2016-2018) for Target Brazil using SQL and Python, extracting insights on order processing, pricing, payment/shipping efficiency, customer demographics, and satisfaction to inform strategic decisions.

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https://github.com/simoun-asmar/marketflash-project

A complete marketing data solution for a fictional agency. This project covers everything from designing a normalized database and building relationships to analyzing campaign performance with SQL and visualizing KPIs in Tableau to support strategic decisions.

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The GET_FIELD is an oracle SQL function to extract, from a string composed by fields separated by a separator, a specific field in a specific position.

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GASPS workshop, includes advanced data manipulation with SQL, purrr and dplyr.

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https://github.com/emmanuellaalbuquerque/sqlite3_locacaodeveiculos

Banco de Dados para uma empresa de Locação de Veículos.

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https://github.com/drsartoriuss/portfolio

Учебные проекты из Яндекс Практикума "Специалист по Data Science+"

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Analyzed Apple's dataset to check how many people bought Airpods after buying Mac or iPhone. Thereafter, using ML and predictive analytics to check future outcomes.

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SQL SELECT Mastery

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This project showcases the development of a comprehensive Library Management System utilizing Structured Query Language (SQL). It demonstrates a practical application of relational database principles to efficiently manage library resources, member information, and borrowing/returning transactions.

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This Project based on Libraray Management system using SQL .

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This project is a SQL script developed by ITIZ-2201 - DATABASE II students for various class exercises. The script automates the creation and configuration of a database named LabX, including the definition of custom data types, validation rules, tables, triggers, and a stored procedure to manage exam result entries.

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Clean data, optimize SQL queries, and write select advanced JOINs to enhance analysis performance. Use SQL DDL to create the data schemas & apply SQL DML to migrate data from a denormalized schema to a normalized

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https://github.com/wareflowx/excel-to-sql

A powerful CLI tool and Python SDK for importing Excel files into SQLite databases with advanced data transformation, validation, and quality profiling.

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https://github.com/patricialjohnson/sql-database-analysis

In this analysis, I developed SQL queries for the Chinook Database, which contains information about a digital music store. The goal was to assist the Chinook team in better understanding their media inventory, customers, employees, and invoice data.

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Exercícios práticos para o desenvolvimento de Packages incluindo Procedures e Functions em PL/SQL (utilizando Oracle), referente a disciplina de Banco de Dados Relacional (DSM).

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Relational Database | Build a Salon Appointment Scheduler. For this freeCodeCamp challenge project, I have created an interactive Bash program that uses PostgreSQL to track the customers and appointments for a salon.

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https://github.com/melvinmo/db_lab_archive

This repository houses the course materials for my undergraduate database design lab, encompassing assignments and a final project on designing an automotive sales database.

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Hestia: Ferramenta de comparação de preços para todos os produtos, feita em Java, SQL e React Native. Versões para desktop e mobile para compras informadas.

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Solution to freeCodeCamp Project Build a World Cup Database

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A collection of modules to make writing acceptance tests with gauge easier.

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A web application designed to fetch and display NBA game scores as interactive charts. This project focuses on providing users with an intuitive interface to explore NBA game scores for regular season games.

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Criação de segmentação de publico via SQL para nova feature do enjoei de comissão reduzida

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https://github.com/dolmen-go/mylogin-driver

A database/sql driver that wraps github.com/go-sql-driver/mysql with a connection string refering to a ~/.mylogin section

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https://github.com/utsav240606/-ai-powered-e-commerce-review-sentiment-analyzer

🤖 Analyze e-commerce reviews with AI to uncover sentiment, enhance user experience, and streamline product feedback through an intuitive platform.

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A full-stack e-commerce application for buying and selling shoes, featuring user authentication, product management, shopping cart functionality, and order processing.

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https://github.com/manishabarse/hr_data_analysis

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https://github.com/diegoribeiro2/dashboard_para_tomada_de_decisao_de_uma_editech_-_sql

Dashboard utilizando SQL com o objetivo de definir os próximos passos estratégicos de uma Edtech.

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A collection of resources to load Product EoL in itself

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https://github.com/felixdev22/catalog

Catalog - This console app helps users keep track of their possessions like books, music albums, movies, and games based on a UML class diagram. It stores data in JSON files and has a corresponding database with tables that match the program's class structure.

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https://github.com/bhalodiyakrrish/sql-leetcode

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This repository contains my solutions for Benco and Cramhead study cases in hungarian language, using Oracle SQL and PL/SQL. (Oracle SQL Developer)

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https://github.com/kardelruveyda/northwind-database

You can find Northwind Datasabe Script!

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https://github.com/purvajage/springboot_jpa_mapping

This project demonstrates the use of various JPA mappings in a Spring Boot application. It covers one-to-one, one-to-many, many-to-one, and many-to-many relationships using JPA and Hibernate.

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https://github.com/dysnomia-studio/dysnomia.common.sql

A driver agnostic Micro-ORM for .NET

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https://github.com/brianlesko/postresql-docker

Run a postgreSQL server hosted in a docker container, and start a webUI for basic querying

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https://github.com/verma-kartik/trantor

Trantor - Object Relational Mapper using Modern C++

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Este repositório contém as atividades realizadas no módulo MOD1-UC3: Auxiliar na Modelagem e Manipulação de Banco de Dados.

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https://github.com/tsaytson/boardcamp-16

A management system for board games rentals, enjoy these classics!

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https://github.com/abdullahjaswal/fundsnav_scraping_script

AWS Lambda function designed for scraping mutual fund data from MUFAP every 24 hours.

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https://github.com/abhijeet-bhambere/sql-server-trail

A collection of learnings for T-SQL, Microsoft SSMS & builds up on existing knowledge of SQL concepts.

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https://github.com/istifano/contactify-website-

📠Dans ce projet, l'objectif est de développer une application web permettant de gérer une liste de contacts.

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Last synced: 15 Apr 2026

https://github.com/nicolito128/tasks-api

A simple API written in Go with Gin Web Framework and PostgreSQL.

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https://github.com/yasminbrazasilva/exerciciosbancodedados-af-3

Exercícios para AF da matéria de Banco de Dados do 2º semestre de ADS

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https://github.com/nmerka/practicum_rep

Проекты курса Аналитик данных (Яндекс.Практикум)

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https://github.com/aborden23/pewlett-hackard-analysis

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IPSA - [2023 - 2024] - Initiation aux bases de données

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💼 A monolith dashboard app based on The Office show. Built-in ReactJS and consuming a Spring-based REST API. https://ddermffinfinity.netlify.app/

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https://github.com/amitdev3/loan-default-data-analysis

This Power BI project analyzes loan application data to uncover patterns contributing to loan defaults. The project uses SQL for backend querying and Power BI for data modeling and interactive visualizations.

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https://github.com/edprice25/fbi-cde-master-files-ml

Trains a ML regression model with data from the FBI Crime Data Explorer (CDE), for predicting crimes such as Cargo Theft.

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My library ready-to-use commands in a MySQL repository for Minecraft Server

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This is an end-to-end personal project. I was curious about my youtube engagement and thought it would be fun to explore the usage and recommend ways to optimize my device's data usage and my viewing schedule.

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https://github.com/kodaloid/docker-amp-template

A really simple template for setting up AMP (Apache, MariaDB and PHP + phpMyAdmin) using docker.

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Bookify Room Reservation System is designed to facilitate the efficient management of meeting room reservations for employees.

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Event booking desktop application for 1000fryd. The application allows users to create various types of events and manage shift schedules.

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https://github.com/yaasiin-ayeva/d4d-express-sql-boilerplate

Dev4Diversity Express API Boilerplate is a server side element to handle apis. Runs with SQL databases, Use TypeORM, JWT authentication, decorators & Custom seeders.

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A relational database created using Microsoft Office Access SQL queries. Example prompts as well as the queries to answer the prompts are provided.

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The "User Management System Using JSON repository by Zainulabdeenoffical is a desktop application that manages user data using JSON as a lightweight database. Built with C# and .NET, it supports user authentication, CRUD operations, and data persistence without requiring a traditional database.

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https://github.com/sarathchandranpm/bike-store-dashboard

This project combines SQL and Power BI to analyze and visualize sales data from a bike retail shop across 2021-2022. The analysis integrates data from multiple sources to provide insights into sales patterns, customer types, and profitability through an interactive dashboard featuring temporal analysis and key performance metrics.

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PowerBI dashboard templates and examples for research teams.

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Personal Notebook of SQL Examples

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https://github.com/sohamb21/dbms-sql-practice

A collection of SQL practice problems and solutions to enhance DBMS skills.

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https://github.com/oneananda/sql_projects

A repository dedicated to a collection of diverse SQL projects, covering a wide range of topics and applications within the world of SQL database management. From basic queries to advanced database designs, this repository serves as a resource for learning and practicing SQL skills across different domain

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The classic 2D Battleship game made in C# Win Forms

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https://github.com/deliprofesor/sql-for-data-professionals

A complete SQL roadmap for data analysts and data scientists — from beginner to advanced. Includes tutorials, exercises, and real-world projects with datasets.

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Last synced: 26 Feb 2026