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/microverse-fullstack-program/vet-clinic-database

This repo contain a relational database schema to create the data structure for a vet clinic. The tables are animals, animals' owners, clinic employees and visits. Apart from building data structure, it contain SQL queries to answer specific questions.

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https://github.com/rafaelclaumann/cursomc

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https://github.com/christianoellers/christianoellers

Full-Stack Developer - Codeconut Ltd.

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https://github.com/antoniakras/retail-transactions-system

Java web app with Servlets, JDBC, and SQL, deployed on Tomcat. Includes REST-style endpoints and complex SQL queries.

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https://github.com/alejandrocisnerosvillegas/practica_01

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https://github.com/asacxyz/flutter_aplicando_persistencia_de_dados

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ETL Mini Project based on a Crowdfunding Database, using CRUD operations. SQL, Postgres, and an ERD.

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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

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https://github.com/burakkontas/oracle-sql-plsql-practice

Hands-on exercises, query quizes, and PL/SQL scripts for the NORTHWIND database. Perfect for developers starting with Oracle or refining their database skills.

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REST-api for hiking routes in Akershus, Norway

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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.

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https://github.com/bogdanmedvedev/sql-training

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JavaFX Grade & Marks Management System with MySQL integration.

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https://github.com/reedkrawiec/citizenship.io

Full-stack quiz app with Flask, SQL and React.

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https://github.com/alejandrocisnerosvillegas/practica_11

Sistema de gestión de acceso de usuarios con PHP, MySQL y reCAPTCHA para asegurar los procesos de inicio de sesión y registro.

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https://github.com/splitgraph/demo-github-analytics

Demo website built using Next.js, Madatdata, Splitgraph and Seafowl. Import GitHub repository data into Splitgraph, then export it to Seafowl, then query it with SQL directly from React with Madatdata and Observable Plot to render pretty charts.

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https://github.com/ijproject/sql-learning

SQLの理解を深めるための学習用リポジトリ

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https://github.com/sabinadzh/opinionorbit

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https://github.com/alejandromeyer/german-air-fares-data-analysis

This project analyzes German flight fare data using SQL and Python to uncover pricing patterns. It explores factors like departure city, airline, and booking time, applying EDA techniques and visualizing insights with heatmaps and bar plots.

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https://github.com/rubenkristian/go-backend

backend with fiber framework

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https://github.com/aniruddha-biswas/case-study-1-danny-s-diner

Case Study #1 - Danny's Diner By Danny Ma

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https://github.com/flowm/grafana-sql-assistant

Grafana plugin that acts as SQL assistant to convert natural language to SQL queries, analyze database schemas, and seamlessly integrates with Grafana dashboards using LLM technology

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https://github.com/njmarko/space-missions-database

ER model for Space Missions and sql scripts that create relational database based on the model and PLSQL scripts that generate reports

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https://github.com/michaelgorbunov/cw_5_database

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https://github.com/sakhileln/ai-search-engine

A modern, production-grade backend for an AI-powered search engine.

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https://github.com/norgeitall/norgeitall

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https://github.com/lukenickerson/json-sql

ORM for creating SQL from JSON

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https://github.com/emilracz21/lessonapp-android

This is an application designed to manage and display academic schedules. The app allows users to view their lessons for each week, including information on the start and end times, school names, and dates. It also allows users to interact with their schedules and modify personal information, such as their profile and language

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https://github.com/sweta-kaundilya/leetcode-sql

LeetCode SQL 50 solutions

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