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: 2026-07-03 00:26:03 UTC
- JSON Representation
https://github.com/dj258255/minidb
A relational database built from scratch in C to dissect how PostgreSQL/MySQL work — pages, buffer pool, heap, B+Tree, SQL parser/executor, WAL, transactions.
b-tree c database database-internals dbms from-scratch learning-project sql storage-engine wal
Last synced: 24 Jun 2026
https://github.com/alyllanes/dbt-analytics-projects
A repository for all the dbt modeling projects I'm working on to practice my skills
analytics-engineering bigquery dbt sql
Last synced: 05 Oct 2025
https://github.com/pathilink/ebury_case
Technical case study in Analytics Engineering using BigQuery, focusing on dimensional modeling and SQL queries for payment and client analysis.
Last synced: 05 Oct 2025
https://github.com/rafie-b/data-analytics
Activities of Data Analysis.
apache-spark api aws business-analytics data data-analytics data-science database dataframe jupyter-notebook python scikit-learn sql
Last synced: 14 Apr 2026
https://github.com/kahsolt/sqlbuilder
Hyperlight-weight sqlbuilder generating SQL of DDL(table-related), DML and simple DQL; mainly aimed for SQLite3.
lightweight sql sql-builder sqlite-database sqlite3 toy-project
Last synced: 15 Jun 2026
https://github.com/prabhakar-naik/spring-boot-graphql-app
The "spring-boot-graphql-app" is a Spring Boot application that integrates GraphQL, a query language for APIs, with Spring Boot's web framework. It allows clients to query and manipulate data using a single endpoint and a flexible schema. This project showcases how to define GraphQL queries, mutations, and subscriptions, as well as how to map them
crud-application dbms-project graphql java mongodb mysql oracle-database restful-api spring-boot sql
Last synced: 14 Apr 2026
https://github.com/egbe34/sql-portfolio
SQL portfolio showcasing business-focused queries for KPIs, retention, churn, RFM, and Pareto analysis. Built with sample commerce data for analytics and BI use cases.
bigquery business-intelligence churn-analysis cohort-analysis data-analysis kpi postgresql rfmsegmentation sql windowfunction
Last synced: 19 May 2026
https://github.com/ankitwalimbe/ecommerce-funnel-analysis
SQL-based analysis of the Olist e-commerce dataset — building an order funnel (purchase → approval → delivery) with breakdowns by payment type, product category, region, and monthly trend. Includes insights, CSV exports, and Tableau dashboard.
bigquery business-intelligence data-analysis ecommerce funnel-analysis sql tableau-public
Last synced: 05 Oct 2025
https://github.com/tawfikhammad/sql-leetcode-solutions
The solutions of SQL 50 LeetCode problems
data-analysis data-engineering database leetcode leetcode-solutions sql
Last synced: 15 Jun 2026
https://github.com/marhcouto/feup-bdad
:mortar_board: BDAD/BD -> MIEIC/L.EIC - FEUP, 2020-2021
bd bdad database feup-bd feup-bdad feup-leic feup-mieic leic-bd sql
Last synced: 30 Jun 2026
https://github.com/raksha-17/ai_analysis
Derive actionable insights from two datasets — Global AI Impact and AI Job Market Insights — to inform strategy on AI adoption, market dynamics, and talent planning across countries and industries.
bigquery case-study sql tableau-public
Last synced: 05 Oct 2025
https://github.com/davidhristov59/databases
This repo contains auditory, lab exercises and midterm exercises for the course Databases @FCSE-Skopje
Last synced: 15 Jun 2026
https://github.com/vishal786-commits/target-businesscasestudy-sql
This project analyzes Target’s e-commerce transactions in Brazil between 2016 and 2018 using SQL. The goal was to explore customer behavior, order patterns, payments, delivery times, and freight costs to generate actionable business insights.
Last synced: 05 Oct 2025
https://github.com/joyceannie/sql-data-with-danny-case-studies
Case study solutions for #8WeekSQLChallenge at https://8weeksqlchallenge.com
8-week-sql-challenge 8weeksqlchallenge case-study data-analysis data-analytics postgresql sql
Last synced: 05 Oct 2025
https://github.com/jedrzejszelc/my_projects
A collection of Jedrzej (Andrew) Szelc's projects in Python, Robotframework, SQL and R languages.
machine-learning python3 rlanguage robotframework sql statistics xml xml-parser
Last synced: 18 May 2026
https://github.com/sparsh-kumar/sequelizenodejsmigrationandseeders
code repository demonstrating how to make use of migrations and seeders in sequelize in node js
express-js expressjs javascript migration node nodejs orm relational-databases seeding sequelize sequelize-orm sql
Last synced: 14 Apr 2026
https://github.com/piercel2022/nextjs-dashboard
nextjs-dashboard is a simplified version of the financial dashboard that has: A public home page. A login page. Dashboard pages that are protected by authentication,. The ability for users to add, edit, and delete invoices.
javascript pnpm postgresql-database reactjs sql typescript vercel
Last synced: 14 Apr 2026
https://github.com/morimorig3/my-cooking-recipes
SQLとAppRouterの練習用に今回はユーザーごとにお気に入りのレシピを保存できるアプリケーションを実装しました。SQLに触れることを目的にしているため、セキュリティ周りはVercel Postgresにおまかせになっています。
ant-design db nextjs react sql typescript
Last synced: 14 Apr 2026
https://github.com/ytisf/tableturner
A versatile tool to parse large SQL dump files into CSV format. Features include a GUI and TUI, table selection, and row repair. Perfect for data migration and analysis. Built with Python.
csv csv-export csv-parser sql sqldump
Last synced: 05 Oct 2025
https://github.com/anatoliybr/railway-tickets-sale-db
Database for the railway ticket sales service
db-design db-implementation db-schema er-diagram pgadmin postgresql sql
Last synced: 15 Oct 2025
https://github.com/imran-imtiaz48/sql-query-optimization-showcase
Real-world SQL queries with optimized versions for performance tuning and best practices.
optimization performance sql sqlserver testing tuning
Last synced: 05 Oct 2025
https://github.com/jlgregorio/tkinter-search-engine-python
Search engine app' for easy information retrieval in "databases" or spreadsheet collections
approximate-string-matching python sql tkinter
Last synced: 15 Oct 2025
https://github.com/samyomb/olist-ecommerce-analytics
Olist e-commerce performance & customer reviews — Python cleaning + BigQuery SQL + Looker Studio dashboard (2017 FY & 2018 YTD) with actionable insights
analytics bigquery brasil customer-experience dashboard data-visualization e-commerce looker-studio olist python review sql
Last synced: 05 Oct 2025
https://github.com/praveendecode/phonepe_pulse
Phonepe Pulse Data Visualization and Exploration: A User-Friendly Tool Using Streamlit and Plotly
data-visualization dataanalysis financial-analysis mongodb postgres python sql streamlit-dashboard
Last synced: 14 Apr 2026
https://github.com/ridwansharkar/auctioneer
Full stack online auction platform with live bidding capabilities | CS336 Databases
html javascript jdbc mysql-database sql tomcat-server
Last synced: 13 Apr 2026
https://github.com/alikellaway/sqlstrings
A set of Python functions allowing for the generation of sql statements in Python.
postgresql sql sql-generation sqlite3 translation translator
Last synced: 14 Jan 2026
https://github.com/ssanthosh010303/d15c2
Day-15 Challenge-2: Database Schema for a Video Store
Last synced: 19 Feb 2026
https://github.com/jmini00/projectsgithub-mvc-collection
Projet "Github Collection" : ce projet consiste en la création d'un portfolio regroupant mes différents projets réalisés et à disposition sur mon Github. Développé en PHP, suivant les principes de la programmation Orientée Objet et de l'architecture MVC (Modèle-Vue-Contrôleur).
ajax bdd bootstrap css html php sql
Last synced: 13 Apr 2026
https://github.com/nafis2508/urban-eats-sql-analysis
SQL business analytics and relational database design project for retail and café operations.
business-analytics database-design mysql sql sql-analysis
Last synced: 24 Jun 2026
https://github.com/bilgeswe/bigdatamanagement
Building a Data Pipeline with Lakehouse Architecture on Microsoft Azure Platform
azure azure-pipelines azure-service azure-storage big-data big-data-analytics big-data-processing data-visualization datalake-ingestion dataset kaggle sql uml-diagram
Last synced: 22 Jan 2026
https://github.com/gregoritsch3/ml_eda_classification_diabetes
An EDA and Machine Learning Classification exercise on the Diabetes dataset demonstrating the use of SQLAlchemy data import from an SQL database (PostgreSQL), Pre-processing Pipelines, ANOVA, 9 ScikitLearn ML models, Hyperparamter Tuning for the best performing one, and feature importance.
anova machine-learning matplotlib numpy pandas pipelines scikit-learn seaborn sql sqlalchemy statistics
Last synced: 14 Apr 2026
https://github.com/bhayward93/hr-web-application
An interlinked solution demonstrating skills in C#, Entity Framework, Web APIs and WCF Services
asp-net asp-net-mvc csharp csharp-code entity-framework sql web-application
Last synced: 15 Oct 2025
https://github.com/jianxi-erin/bigdata-machinelearning-lab
本项目是一个综合性的大数据与机器学习实验平台,包含两个主要任务,每个任务涵盖三个关键技术模块:大数据处理、数据分析和机器学习。项目基于真实的竞赛设计,提供完整的数据处理模拟和建模实践。
data-analysis data-visualization hadoop machine-learning python spark sql
Last synced: 03 May 2026
https://github.com/zun-liang/fcc-periodic-table-database
Solution to freeCodeCamp Project Build a Periodic Table Database.
bash git nano postgresql shell sql
Last synced: 14 Apr 2026
https://github.com/rociobenitez/ivr-customer-service-ivrdb
A repository for managing the database schema and data related to a customer service Interactive Voice Response (IVR) system, including call records, modules, and user steps.
Last synced: 15 Oct 2025
https://github.com/victoriaraven/cybersecurity-google-coursera-umgc
Google Cybersecurity Professional Certificate - 9 course series. These includes all assignments or concepts that are allowed to be uploaded publicly, including self-made ones. I will not upload copied content to avoid copyright infringment.
analysis comptiasecurity coursera cybersecurity documentation google investigations it professional-certificate python sql study-guide test-prep using-programs-it-cyber-docs
Last synced: 03 Jul 2026
https://github.com/mizcausevic-dev/dbt-multi-touch-attr
TypeScript control plane plus dbt-style SQL assets for multi-touch attribution, journey stitching, and reviewable revenue-credit logic.
analytics attribution dbt marketing-analytics revops sql typescript
Last synced: 01 Jun 2026
https://github.com/its-kios09/my-sql-masterclass
MySQL is an open-source relational database management system.
Last synced: 15 Jun 2026
https://github.com/mizcausevic-dev/regulatory-reporting-mart
Warehouse-style reporting mart for docket readiness, evidence packets, and deadline pressure.
agpl analytics kinetic-gain regulatory-reporting sql warehouse
Last synced: 01 Jun 2026
https://github.com/abdelhamid2c/projects-php
Build PHP projects: gallery, auth, URL shortener, & to-do app
authentication mysql php sql todo-app url-shortener
Last synced: 29 Apr 2026
https://github.com/marielachirinosr/nyc-taxi-trip-exploration-2019-2020
Explores passenger behavior & impact of COVID-19 on NYC taxi industry (Q1 2019-2020).
bigquery data data-analysis data-visualization python sql tableau
Last synced: 15 Jun 2026
https://github.com/billwallis/game-stats
Statistics for game events and outcomes.
Last synced: 15 Feb 2026
https://github.com/charlesemil/sql-data-warehouse-project
Building a modern data warehouse with SQL Server, Including ETL processes, data modeling and analytics.
data-analytics data-cleaning data-engineer data-science data-warehouse data-warehousing datascience etl etl-pipeline medallion-architecture sql sql-query sql-server sqlserver
Last synced: 05 Oct 2025
https://github.com/mizcausevic-dev/search-observability-warehouse
SQL warehouse for search console, crawl, index coverage, freshness drift, and URL-level observability diagnostics.
analytics-engineering crawl-analysis data-modeling indexation python search-observability sql technical-seo warehouse
Last synced: 01 Jun 2026
https://github.com/arxdeus/puresql-rust
Pure (vec<u8> based) implementation of sql query builder on rust
opinionated perfomance rust sql sql-builder unsafe unstable
Last synced: 09 Jun 2026
https://github.com/rodrigorvsn/sql-server
🎲 Exercises done with SQL Server to train query's
Last synced: 05 Oct 2025
https://github.com/alonmell/migrator
A lightweight, transaction-safe SQL migration tool for Go applications featuring version-based tracking, bidirectional migrations, and detailed logging.
database-migrations golang sql transactions versioning
Last synced: 25 Jun 2026
https://github.com/riju18/sql-nosql
Most used SQL & noSQL code in industry
dba mongodb nosql postgresql sql
Last synced: 04 May 2026
https://github.com/aniketpatidar/to-do-app
To-Do application
css html javascript ruby ruby-on-rails sql
Last synced: 04 May 2026
https://github.com/petdance/sql-tiny
SQL::Tiny, a tiny Perl module for making very simple SQL statements
Last synced: 09 Jun 2026
https://github.com/mostafaashra/important-sql-queries-for-data-cleansing-and-normalization
sql queries
Last synced: 12 Mar 2025
https://github.com/d12ksh/user-login-database-system
Building trust starts with security! 🚀 Check out this Login Database System, where user authentication meets best practices. With encrypted data, basic design, this is one of them"
data-structures database python3 sql user-authentication
Last synced: 04 May 2026
https://github.com/janniklth/probandapp
Database project to manage probands and medication for database lecture
Last synced: 05 May 2026
https://github.com/davityak03/hospital-management-system
filehandling gui mysql mysql-database python sql tkinter-python
Last synced: 04 May 2026
https://github.com/daniel-onyenwee/postgres-mini
A package to run an mini postgresql database right from NodeJS
database mini postgres postgresql sql
Last synced: 04 May 2026
https://github.com/nolaan/insee_fatalities
Insee (France stats) death data integrated into a superset dashboard
deaths docker docker-compose france insee mortality sql superset
Last synced: 04 May 2026
https://github.com/shivabajelan/home_sales
This project analyses home sales data using PySpark SQL. It involves creating a temporary table, running queries, and performing caching and partitioning. The final step involves uncaching and verifying the temporary table.
Last synced: 04 May 2026
https://github.com/nero103/airbnb-destination
This is and end-to-end project to uncover the ideal destination based on listings and hosts. Strategy included: Data workflow-SQL analysis-Data modeling-Data Visualization-Findings
data-analysis data-modeling data-visualization etl etl-pipeline excel microsoft-sql-server powerpoint sql tableau
Last synced: 27 Mar 2026
https://github.com/cityssm/data-proxier
Limit the amount of data exposed using a database proxy.
database mssql proxy sql sql-server
Last synced: 13 Apr 2026
https://github.com/mberkiskal/alphabetcrosswordgame-passaparola-alfabetikbulmacaoyunu
Sadece c# kullanarak yapılan basit ve eğlenceli bir oyun. A simple and fun game made using only c#.
csharp mssql mssql-database sql
Last synced: 04 May 2026
https://github.com/adamcegielka/sql-order-management
Example of a procurement management system
Last synced: 04 May 2026
https://github.com/karenpayneoregon/writing-sql-queries-csharp
recommendations for writing basic sql outside of code
csharp design sql testing visual-studio
Last synced: 04 May 2026
https://github.com/shubhamd99/postgresql-learning
Showcase -
commands database mysql postgresql query rdbms sql
Last synced: 04 May 2026
https://github.com/m-azra3l/pointofsale
This application was created as part of SQL, authorization and reporting training for my students
authentication authorization reporting sql
Last synced: 29 Jun 2026
https://github.com/msaf9/commodity-search-system
Commodity Search System is a digital inventory management tool for business.
Last synced: 04 May 2026
https://github.com/ahbiels/e-commerce
Um projeto simples de gerenciamento de SQL em um site de e-commerc para estudos
database diagram ecommerce sql
Last synced: 16 Jun 2026
https://github.com/wahyufaturrizky/wallet_system
https://wallet-system-brown.vercel.app
gem postgresql ruby ruby-gem ruby-on-rails sql wallet
Last synced: 04 May 2026
https://github.com/joeri-abbo/laravel-orm-migrations-standalone
Migration of laravel but standalone to easy generate SQL files based on Laravel migration structure
automation database laravel sql
Last synced: 04 May 2026
https://github.com/gregoritsch3/project_sql_job_analysis
An SQL project that draws useful insights from existing job data. It provides information regarding top-paying Data Scientist jobs and skills (both job-opportunity-based and salary-based), the most in-demand skills for Data Scientist roles, as well as a list of optimal Data Science skills to learn (skills high in demand and market value).
chatgpt dataanalysis postgresql sql statistics
Last synced: 16 Jun 2026
https://github.com/kata-bunny/online-doctor-potral
This PHP-based open source project is a web application for booking medical appointments. Patients can use the platform to easily schedule appointments with their doctors, saving time and effort. The project's source code is open for anyone to use, modify, and distribute according to their needs.
appointment appointment-booking appointment-scheduling css doctor-appointment-booking doctor-appointment-management hospital-appointment-booking hospital-management-system html mysql sql
Last synced: 04 May 2026
https://github.com/vara-co/crowdfunding_etl
ETL Mini Project based on a Crowdfunding Database, using CRUD operations. SQL, Postgres, and an ERD.
data-analysis database datacleaning erd erdiagram etl jupyter-notebook postgres postgresql regex schema sql
Last synced: 04 May 2026
https://github.com/orlando-pt/db-sql-project
Sql project with the objective of learning good SQL practices.
Last synced: 16 Jun 2026
https://github.com/iamskyy666/postgresql-resources
PostgreSQL - resources 🔵
Last synced: 25 Jun 2026
https://github.com/mmar58/best-free-unity-assets
For making a good games or apps in unity, we need tools. If they are available, then we will not need to invest our time to make them. Instead we can just use them. And as a beginner we don't have money to purchase the paid assets. So here is the list of best free assets, which you can use in your project and make your project better
asset assets database free multiplayer networking sql unity
Last synced: 04 May 2026
https://github.com/macagua/example_docker_oracle_xe_python
Examples for deploy a Oracle Express Edition server with database using Docker and query his data with Python
database deploy docker docker-compose oracle oracle-xe-21c python python3 sql sql-query
Last synced: 05 May 2026
https://github.com/rohitblaze10/covid19_data_analysis-project
The COVID-19 Data Analysis Project aims to analyze and gain insights from the vast amount of data collected during the global COVID-19 pandemic. Leveraging SQL, the project involves designing a database schema, extracting relevant data, and conducting a comprehensive analysis to uncover patterns, trends, and correlations related to the impact
covid19-data data-analysis-sql data-analytics ms sql sql-server
Last synced: 09 Jun 2026
https://github.com/rafaelremotedev/cotizapi
CotizAPI is a financial tracking API designed to monitor the prices of key assets, including gold, silver, Bitcoin, wheat, and oil. It is built with Python and SQLite, ensuring lightweight and efficient data management. The API is deployed on Telegram and Vercel.
broker dbeaver postman python sql telegram-bot vercel
Last synced: 05 May 2026
https://github.com/janselroa/contacts-app
contacts-app express express-js mysql nodejs sql yarn
Last synced: 12 Mar 2025
https://github.com/lvce-editor/language-basics-sql
lvce-editor sql syntax-highlighting
Last synced: 16 Jun 2026
https://github.com/sahilmgandhi/cs143-project-2
CS 143 Project 2 Code: Implement Disk Based Hashing for SQL DataBase
Last synced: 11 Jun 2026
https://github.com/sivaosorg/qb
QueryBuilder is a powerful and flexible Go library for building SQL queries with ease. It simplifies the process of constructing SQL statements, making it effortless to interact with your database.
go-query golang mysql mysql-database native-sql-engine postgresql postgresql-database postrges query-builder query-sql sql sql-builder sqlx
Last synced: 05 May 2026
https://github.com/arjunan-k/smart_brain
React app with backend in node.js & database in PostgreSQL, which uses Clarifai API to detect the faces from a image.
machine-learning nodejs react sql
Last synced: 05 May 2026
https://github.com/lalathealter/telegospel
A simple telegram bot to arrange your daily reading of the Bible - in accordance to a lectionary of choice
go golang sql sqlite3 telegram-bot
Last synced: 14 Jun 2025
https://github.com/katarighe/vet-clinic-database
This is a project about creating the data structure for a veterinary clinic using a relational database. The database contains tables for animals, animal owners, clinic employees, and visits. It is built with PostgreSQL.
database database-schema microverse-projects postgresql sql
Last synced: 05 May 2026
https://github.com/bogdanmedvedev/sql-training
SQL: From simple to complex
ms-sql-server oracle-sql sql sql-functions sql-procedures
Last synced: 09 Jun 2026
https://github.com/tamizhh-alt/gradeportal
JavaFX Grade & Marks Management System with MySQL integration.
desktopapp java javafx jdbc maven mysql sql studentmanagement
Last synced: 05 May 2026