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/farhashaad/farhashaad98

This is a repository to showcase my skills, share projects and track my progress in Data Science related projects.

data data-visualization dataanalysis matplotlib pandas python seaborn sql tableau

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https://github.com/lolooppo/leetcode_sql_solutions

leetcode mySql problems

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https://github.com/sameer6690/data_analytics_bootcamp_hdnb

This is an analytics project on the "Titanic - Machine Learning From Disaster" dataset's train.csv file. I performed data cleaning with MS Excel before using SQL to query results based on the questions provided for the completion of the project. Finally I visualized the data on Google Looker Studio.

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https://github.com/m7moudgadallah/sql-challenge-solutions

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A comprehensive Dashboard which provides better understanding of the business's market standing, key focus areas for optimization, underperforming customers, and year-wise financial insights, aiding in better inventory planning and performance tracking. Further it can be used in answering n number of why questions based on the situations.

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This salary dataset is a good candidate for descriptive analysis, and we can identify which demographics experience reduced or increased salaries. For example, we could explore the salary variations by gender, age, industry, and even years of prior work.

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example on How to Create Unit Tests with go-sqlmock in Go

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This Repo contain details related to Data Engineering tech stacks

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🥞 Databases only training

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Querys that assist in the analysis of application performance

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https://github.com/hgwood/craql

A small example app to show how to program business web app back-ends in SQL with PostgreSQL.

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https://github.com/mayurifag/postgresql-db-cleaning-scripts

Make any sql actions with your postgresql dumps and get new gzipped dump

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https://github.com/master-helix/music-queries

This is a beginner Data Analyst Portfolio Project aimed at providing data insights based on a music store dataset

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https://github.com/rckbrcls/world-cup-project

SQL-first FIFA World Cup database project with PostgreSQL rules, lifecycle tools, and an operational browsing client.

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https://github.com/lugolbis/snuv

Déploiement d'une BDD complexe sous Oracle Database 23ai.

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https://github.com/aadityapanda/userregistration

This is a Full Stack-based user registration application that allows users to sign up, receive email verification, and log in. It includes user registration functionality with email verification using Nodemailer for sending verification emails.

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https://github.com/gabrielsilva798/projeto_streaming

projeto final: criação de uma plataforma de streaming fictícia, aqui apresento meus conhecimentos sobre Modelagem de Dados e manipulação SQL avançada

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Experimenting with GIN index (intarray) in PostgreSQL

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https://github.com/asjordi/codewars-sql

Soluciones para los ejercicios de codewars.com con SQL

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https://github.com/tashi-2004/database-systems-db

I've created files with solutions, named them with their following conventions and order. You can download, copy, and run them on a compiler or software for your information. There are no copyrights attached to these files; they are provided for educational purposes only.

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https://github.com/duartium/db-insight-scripts

Una colección de scripts SQL y PowerShell para analizar una base de datos previa migración y generar un resúmen detallado automático.

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https://github.com/tritacle/idatt2003

Work requirements in the subject IDATT2003 programming 2 and IDATT2002 databases

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End to end Google Bigquery + Looker Studio Data Analytics Project Transforming NYC Taxi Data into Actionable Intelligence

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https://github.com/yuvrajsaraogi/car-price-prediction-with-machine-learning

The price of a car depends on a lot of factors like the goodwill of the brand of the car, features of the car, horsepower and the mileage it gives and many more. Car price prediction is one of the major research areas in machine learning. So, if you want to learn how to train a car price prediction model then this project is for you.

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https://github.com/ripudamanm/car-rental-system-django

This is a Car Rental Management System built using Django. The system allows customers to book cars online, manage bookings, and view car availability. Admins can manage car listings, booking statuses, and customer information.

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Last synced: 13 Apr 2026

https://github.com/rajibbinalam/problem_solving

PHP and SQL Solve Problems from LeetCode, HackerRank

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https://github.com/msaakaash/hospital-data-warehouse

A data warehouse project designed to demonstrate SQL and data modeling skills.

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https://github.com/leeenden/cnmc-week8sqllize

CRUD functions in SQL, sequelize and Node.js

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https://github.com/dobsontom/basket-abandonment

Data pipeline for detecting and responding to basket abandonment using BigQuery and Adobe Campaign.

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https://github.com/vaibhavpal7549/leetcode

This repository contains my solutions to various **LeetCode problems** written in **Java**, categorized by difficulty (Easy, Medium, Hard) and topics like Arrays, Strings, Trees, and more. Each solution is clean, optimized, and well-documented. Follow my progress on [LeetCode](https://www.leetcode.com/vaibhavpal7549). Contributions are welcome!

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https://github.com/m-ezhil/leetcode-sql50

Welcome to my repository featuring solutions to the SQL 50 challenge from LeetCode. Whether you're practicing for technical interviews or just looking to sharpen your SQL skills, this collection covers a wide range of topics from basic to complex queries.

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https://github.com/arithefirst/postgres-dash

A managment dashboard for PostgreSQL

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https://github.com/lucaspmartins/bradesco-java-bootcamp

Este repositório contém desafios e projetos em Java desenvolvidos no bootcamp do Bradesco na DIO.

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https://github.com/jen2004/data-analysis-project-for-dvd-rental-business

For this project, I analyzed PostgreSQL's sample "dvdrental" dataset to answer the business question: "Which top three film categories had the most rentals each month?" I designed detailed and summary tables, implemented SQL queries with user-defined functions, triggers, and stored procedures, and automated data updates and refresh processes.

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https://github.com/yrehim7/data-warehouse-project

A complete, easy-to-follow guide on building a modern data warehouse with SQL Server. Learn how to design ETL processes, create effective data models, and leverage analytics for better insights.

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https://github.com/sagrsuri/mysql-query

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https://github.com/mahmoudwal27/sql-data-analysis

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