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: 2026-07-10 00:26:02 UTC
JSON Representation

https://github.com/yunusemrejr/vud-php

View User Database (V.U.D.) - Written in: PHP, JS, SQL, CSS, HTML

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https://github.com/AhmedNassar7/Money-Hub

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https://github.com/nanotubing/demo_permit_etl_script

All SQL ETL script normalizing L&I demolition permits from Philadelphia for insert into Postgis

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https://github.com/arthur020104/labs-problems-cs50

Problemas do curso cs50 de havard com as linguagens Python, SQL, C e Js. Além do uso de HTML, CSS e flask.

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https://github.com/siddharthbadal/onlineretaildatabase

Database Development with Data Analysis for a Online Retail Store

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https://github.com/venugopal9578/youtube-trending-sql-analysis

SQL project analyzing YouTube trending videos in India using Google BigQuery. Includes ranking, aggregation, and channel performance analysis with visuals.

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https://github.com/ahmednassar7/college_library

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https://github.com/tiaki026/sql-test

Просто задачки по SQL

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https://github.com/garrett-he/diablo2-mod-sql

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https://github.com/cristobalgvera/java-spring-learning

Some exercises with a full stack approach (focused on backend)

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SQL-Editor zum Anzeigen von Daten aus relationalen Datenbanken

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https://github.com/franciscoylderlan/api-todoapplication

API backend desenvolvida em Java utilizando o framework Spring Boot. A API é responsável por fornecer serviços para gerenciar uma lista de tarefas, permitindo a criação, atualização, exclusão e recuperação de tarefas.

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lightweight in-memory database engine.

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https://github.com/ahmedhassan-da/world_largest_banks_-etl

Python-based ETL pipeline that extracts the world’s largest banks by market cap, transforms values using exchange-rate data, and loads the final dataset into CSV and SQLite. Includes structured logging, multi-currency conversion, web scraping with BeautifulSoup, and SQL querying.

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https://github.com/mlorvand/collationdetails

This SQL script provides a complete overview of collation settings for all text-based columns (char, varchar, nchar, nvarchar, etc.) across user tables in a database.

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https://github.com/wtmcgrew/wtmcgrew

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A set of queries that I have found useful at times with using Clintrial. Most are for querying Clintrial's metadata tables.

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O trabalho final da disciplina de banco de dados da UFC 2022.1, o trabalho se trada de um site de uma biblioteca desenvolvida a partir do zero, desde de o banco de dados no mysql até o front em react e back de php.

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https://github.com/vigneshSs-07/Cloud-BigQuery-and-SQL---The-Interview-Guide

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https://github.com/niels-bosman/basic-php-sql-crud

Basic object oriented PHP CRUD framework. Works with mySQL and PHP 7.4.

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Empório VeWTech Conection Store

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🔐 Custom, simple and effective authorization library 🗃, Roles Based Access Control (RBAC) for CRUD authorization, menu or module access, etc. for Asp.net with backend database.

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Follows LearnSQL course content with local dev scaffolding

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https://github.com/ahmeddiaab/practical-dbms

A level-based roadmap to master relational databases with PostgreSQL. Practice schema design, normalization, real-world SQL, and transactions using Docker. Great for backend developers.

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Easy to use file-based SQL migrations toolkit

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https://github.com/robinmillford/analyzing-e-commerce-transactions---data-cleaning-cohort-analysis-and-sql

In this project, I aimed to analyze the profitability of products in an e-commerce dataset. I performed various SQL queries to extract valuable insights about product profitability, including the identification of the top 5 products with the highest profit margin, and unique combinations of brands and product lines with the highest profitability.

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https://github.com/baschin1103/players-database-hattrick

This repository contains all files and programs for creating a normalized and relational database consisting of players from hattrick.org. See readme for more information.

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https://github.com/jabercrombia/csv-to-sql

A simple Python script that converts CSV files into SQL CREATE TABLE and INSERT statements. Drop your CSV files into the csv/ directory, run the script, and get structured SQL output in the sql/ directory

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https://github.com/nour-zayed/shopping-trends-analytics-sql-python-power-bi

"End-to-end Shopping Trends analytics project using SQL, Python, Excel & Power BI — data cleaning, EDA, KPI generation, and interactive dashboards with DAX for actionable business insights."

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https://github.com/kshitiz1302/pizza-sales-report

The report provides insights into pizza sales trends for 2015, focusing on peak periods, customer preferences for large pizzas, and the best-performing menu items.

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https://github.com/avijit18/spring-boot-employee-management-system

Efficient employee management system using Spring Boot, Hibernate, and SQL database for streamlined project tracking and organization.

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https://github.com/nicoacu/tp_soporte_ticketera

Repositorio presentación/exposición para materia: Administración de Base de Datos - ISTEA

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https://github.com/muktarkhanabilda/uk_bank_customers

Я создал базы данных, импорт данных о клиентах британского банка, а также создание информативного отчета с использованием Power BI Desktop. Провели обучение и оценку двух моделей, GaussianNB и KNeighborsClassifier, включая перекрестную проверку для более точной оценки их производительности.

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https://github.com/sankaran-s2001/layoffs-sql-analysis

A complete SQL data cleaning and analysis project using MySQL to analyze global company layoffs from 2020-2023.

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https://github.com/mihirkudale/walmart-sales-analysis-excel

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https://github.com/ludreinsalvador/gadgets-product-6850-project

Creating a machine learning model that predicts whether a customer will purchase Product 6850 in January 2019 with an accuracy above 85% and a recall of at least 70%.

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https://github.com/gabrielsvinha/db1

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https://github.com/nitheshgoutham/singapore-resale-flat-prices-predicting

To Predict the Resale Price of a Flat

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https://github.com/anant-jp/anant-jp

👋 Hi, I’m Anant Parmar, an Associate Product Owner/Scrum Master focused on Business Analysis and Agile practices. I’m learning Advanced SQL, Product Vision, Roadmaps, and Ownership. 💬 Ask me about Business Analysis, Agile Project Management, Jira, and Confluence.

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https://github.com/nero103/housingdatacleaning

This is a data cleaning project on housing data within a state, using SQL to format, structure and standardize data for analysis.

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https://github.com/karol7git/sqlpractice

these are databases on SQL language / made for mere practice

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https://github.com/volodimirdd/analytics_and_store_administration

The app was built with C# in Visual Studio, .NET Framework, and WinForms UI. It utilizes SQL Server LocalDB for DBMS functionality, with Entity Framework for DB operations and ADO.NET for data access. SSDT used to design and manage the database schema. Dependencies are managed via NuGet packages.

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https://github.com/charles-m-knox/ghost-to-hugo

Takes Ghost blog posts and converts them to Hugo-compatible markdown files.

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https://github.com/archismwanchatterjee/code_playground

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Laundry Mart - A Laundry Management System

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