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/dotnet-malaga/time-travel-with-sql-server

En nuestra sesión de DotNetMálaga 2024, Joel Gallagher presentó las Temporal Tables de SQL Server 2016, permitiéndonos viajar en el tiempo dentro de la base de datos para auditoría, telemetría e insights con mínima configuración.

databases insights server sql

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https://github.com/bezborodow/psyqlepg

Basic common SQL queries for Psycopg.

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https://github.com/yasminbrazasilva/exerciciosbancodedados-ac2-7

Exercícios para AC2 da matéria de Banco de Dados do 2º semestre de ADS

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https://github.com/winterwind/mal_sql_database

A SQL database made out of the data scraped in Hernan4444's repo (all credits for the dataset go to him) [made for my Database Systems' class' final project]

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https://github.com/pacemakerx/leetcode-my-solutions-sql-50

This repository contains my solutions for the SQL 50 LEARNING PLAN FROM LEETCODE

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LearnProg to aplikacja e-learningowa do nauki C++, oferująca kursy na różnych poziomach zaawansowania. Stworzona z użyciem HTML, CSS, JavaScript, PHP i MariaDB, umożliwia interaktywną naukę i sprawdzanie postępów.

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https://github.com/kiselkovd/train_sql

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https://github.com/carlosvinimsouza/flasksqlchallenger

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https://github.com/garretthilberling/movingmgmt

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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/deepakramani/dbt-bike-insights

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https://github.com/its-ekanshi/sql-analytics-project

Designed relational tables with primary and foreign keys, populated with sample data for real-world testing. Implemented advanced SQL techniques such as CTEs, window functions, aggregates, and filters to extract valuable insights.

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Business Analytics Udacity Nanodegree projects

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Mage Vm

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2nd Year Project. We were tasked with developing a CRUD website that incorporated SQL, HTML, Java, and Scala. We completed this project using the Play Framework!

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https://github.com/mberkiskal/messagebox-mesajkutusu

Login to the application with the user number and password. There are panels where we can see our message creation, incoming messages and outgoing messages.Uygulamaya kullanıcı numarası ve şifre ile giriş yapılıyor. Mesaj oluşturma, gelen mesajlar ve giden mesajlarımızı görebileceğimiz paneller bulunuyor.

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SQLite exercises in a course by Rocketseat.

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Flashcard Application for students

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https://github.com/rkolovanov/solutions-sql

Solutions to various SQL query tasks

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Taller de Inteligencia de Negocios con SQL Server en el CEPS-UNI.

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https://github.com/hugo-hattori/tkinter_sql

User Interface Project created with Tkinter for SQL database manipulation.

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Here you will find how to write a 'Hello world' code in 10+ programming languages .

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https://github.com/jakesaintg/todo

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https://github.com/mastermindromii/orders-analysis-using-sql-and-python

In this repository, dive into an end-to-end data analytics project. Utilize Python and SQL, employ Kaggle API for dataset acquisition, Pandas for processing, and SQL Server for data storage. Finally, uncover insights through SQL queries!

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https://github.com/evangeliabi/database-creation_exercises.sql

This repository includes exercises that involve the creation of various databases.

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https://github.com/allanotieno254/clinic-booking-system-database

The Clinic Booking and Visit Management System (CBVMS) is a MySQL-based relational database system designed to manage operations in a clinic or small hospital environment.

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Hotel mangement Dashboards

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A complete SQL-based data warehouse implementation featuring a medallion architecture (Bronze, Silver, Gold layers) for processing and analyzing customer and sales data from multiple source systems.

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https://github.com/valda1/todolist

Todo list project using Java and SQL.

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https://github.com/jauharibill/gobulkinsert

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https://github.com/badranalyst/nashville-housing-sql-data-cleaning

This project focuses on cleaning and preparing the Nashville Housing dataset for analysis using SQL. It involves identifying and rectifying inconsistencies, handling missing values, and optimizing the dataset for further exploration. The cleaned data is essential for accurate insights into housing trends and patterns in Nashville.

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https://github.com/vinay-jose/territorial-sales-dashboard

EDA was carried out in the sales data of Atliq Technologies and a Dashboard was created in PowerBI to draw insights.

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Convert a JSON object into an SQL where clause or into an LDAP filter.

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This project involves the design and implementation of a Database Management System (DBMS) for a local amateur football club

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Nodejs Knex Postgres Database Example

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Task Management System — это современное приложение для управления задачами, разработанное на Java 21 и Spring Boot 3.3.5. Система включает в себя возможности аутентификации, управления пользователями, создания, отслеживания и обновления задач. Используются PostgreSQL, Docker Compose и OpenAPI/Swagger для удобной работы и масштабируемости.

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ChaiSQL - a prototype optional type checker for raw SQL ☕️ 🫖 @ TU/e Database Research Group

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https://github.com/mtanzim/vis-strong-go

Visualize Strong csv exports.

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Cleaned and analyzed weekly sales data using SQL to build a business-focused data mart with KPIs, customer segmentation, and platform insights.

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"Graduation project for ITI: A complete Hospital Management and Analytics System combining patient management, staff administration, and analytics dashboards."

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https://github.com/janluksoft/tsqlpivot

An example of a complex T-SQL query

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https://github.com/dor-rondel/peer-findr

A web app that allows incoming Grove School of Engineering students at the City College of New York, find their future classmates prior to the comencement of classes.

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SQL Examples

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Practical SQL queries, KPIs, and Views for the Northwind sample database. Focused on data analysis and reporting with SQL Server

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Python library and command-line interface (CLI) tool for interacting with PostgreSQL databases, providing simplified database management, query execution, and result export functionalities.

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https://github.com/matissjanis/apollo-server-cache-sql

Minimalistic Apollo Server SQL Cache driver

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RabbitMq + MassTransit + SQL Server

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Class Management System

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mysql library used in godin (uses sqlx)

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https://github.com/madhuresh2011/daily-sql-from-hackerrank

Welcome to my SQL Series, where I tackle SQL problems from HackerRank on a daily basis.

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Mini-Hackathon 1.0

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T-SQL Wordle

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https://github.com/fareeda-github683/mysql_student_management_project

The Student Management System is a project designed to efficiently manage student information, course enrollments, and grades. This system allows users to add and update student records, manage course details, and track enrollments.

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Last synced: 19 Jan 2026

https://github.com/dirkjbosman/node-postgresql-controllers

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A DBT project for analyzing city property data.

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Analyzed ShopEasy’s marketing data using SQL, Python, and Power BI to identify low engagement and conversion issues, performed sentiment analysis, and delivered data-driven strategies for measurable performance improvement.

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A data-driven analysis of India's electric vehicle (EV) market using SQL and Power BI. This project explores EV sales trends, market penetration, regional performance, and manufacturer growth to support strategic decision-making for AtliQ Motors' expansion into India.

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Mi primer repositorio en GitHub para el curso de FreeCodeCamp

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https://github.com/michaelcurrin/sql-server-docker-test

Exploratory project to setup and connect to SQL Server DB using Docker

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SQL generator for OCaml/Reason

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Git Query language is a SQL like language to perform queries on .git files with supports of most of SQL features such as grouping, ordering and aggregations functions

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Last synced: 22 Jan 2026

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👩‍💻 Study-Buddy-Project Using Core Java 👨‍💻

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This project delves into a three-year hotel revenue dataset (2018-2020) using SQL and Power BI. We extract insights on revenue trends, guest seasonality, and offer actionable staffing recommendations. By embracing data nuances, we empower the hospitality industry with informed strategies for success.

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My HackerRank Profile Link :

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Exercise #57/58/59 - 23-26-27/05/2025

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https://github.com/a2n1/sql

SQL is a powerful language used to manage and query relational databases. It enables users to retrieve, update, and organize data efficiently, making it essential for data management and analysis tasks.

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