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/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/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/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.

bigquery data-analysis 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/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/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/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/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/rodrigorvsn/sql-server

🎲 Exercises done with SQL Server to train query's

sql sqlserver

Last synced: 05 Oct 2025

https://github.com/l0wbly/revendeur-de-the-sql

sql

Last synced: 10 Feb 2026

https://github.com/kumartusha/study-buddy-project

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

core-java javaswing sql

Last synced: 02 Jul 2026

https://github.com/mostafaashra/important-sql-queries-for-data-cleansing-and-normalization

sql queries

ms-sql-server sql

Last synced: 12 Mar 2025

https://github.com/asacxyz/c_introducao-a-sql-consulta-e-gerenciamento-de-dados

Para acompanhamento do curso Introdução a SQL: Consulta e gerenciamento de dados

sql

Last synced: 24 Feb 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/janselroa/contacts-app

contacts-app express express-js mysql nodejs sql yarn

Last synced: 12 Mar 2025

https://github.com/ivinnyaraujo/sql-database-analyticsengineer-powerbi

SQL | SQL Spatial | Database | Microsoft Fabric | More

analytics data data-engineering data-science database microsoft-fabric sql sql-server

Last synced: 16 Apr 2026

https://github.com/jaseel342/hotel_data_analysis

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.

dax-expression excel-data-import microsoft-sql-server powerbi powerbi-report powerbi-visuals sql sqlserver-2019

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https://github.com/wyatt-avilla/sjsu-cmpe180b-f25

database sjsu sql

Last synced: 07 Sep 2025

https://github.com/smpotts/data-api-explorer

Exploring the Redshift Data API. These are the scripts used in my blog post.

python redshift redshift-data-api sql

Last synced: 01 Apr 2025

https://github.com/gad-ongoro/train-booking-db

Train Booking Database Challenge!

mysql sql

Last synced: 26 Mar 2025

https://github.com/willaevangelista/blog-pessoal_java

Repositório do Projeto Blog Pessoal, desenvolvido durante o Bootcamp Fullstack Java da Generation Brasil.

generation-brasil insomnia java spring-boot sql

Last synced: 13 Apr 2026

https://github.com/roldanramon/kms_bigdata_loaddatato_sqlserver

python r sql

Last synced: 29 Apr 2026

https://github.com/ahdanfirdaus/belajar-sql-dasar

Dokumentasi belajar sql dasar

sql sql-dasar sql-learning

Last synced: 05 Feb 2026

https://github.com/andreadcsousa/alura_postgresql-administracao_sql

Este projeto faz parte do plano de estudos elaborado pela Alura para o programa de formação Desenvolve (3ª edição), trilha de dados, em parceria com a Boticário.

alura aprendendo boticario dados desenvolve-2023 desenvolve-3-edicao postgres postgresql sql

Last synced: 10 Apr 2025

https://github.com/yuhexiong/ddl-dml-dcl-tcl-commands-sql

sql sql-commands

Last synced: 19 Feb 2026

https://github.com/github-insight-anz-lab/copilot-lab-sql

A hands-on lab to introduce people to working with GitHub Copilot and SQL

copilot-tutorial database github-copilot sql

Last synced: 26 Mar 2025

https://github.com/fnu-ankit/8-week-sql-challenge

My attempt on solving Case studies from #8WeeksSQLChallenge

8-week-sql-challenge 8-weeks-sql-challenge 8weeksqlchallenge case-study data data-analysis data-analysis-sql data-analytics database datawithdanny sql sqlserver

Last synced: 19 Apr 2026

https://github.com/purcellcjp/home_sales

This project demonstrated the usage of SparkSQL to read, query, cache, and analyze home sales data, providing insights into average prices based on various criteria.

big-data cache parquet spark spark-sql sql

Last synced: 27 Apr 2026

https://github.com/andreadcsousa/alura_postgresql-funcoes_sql

Este projeto faz parte do plano de estudos elaborado pela Alura para o programa de formação Desenvolve (3ª edição), trilha de dados, em parceria com a Boticário.

alura aprendendo boticario dados desenvolve-2023 desenvolve-3-edicao postgresql sql

Last synced: 10 Apr 2025

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.

sql

Last synced: 27 Jan 2026

https://github.com/hussein-m-kandil/generic-express-service

A generic Express.js back-end service designed to support multiple front-end apps that I am managing to build in parallel with this app.

api bcryptjs cors docker docker-compose express jwt multer nodejs passport postgresql prisma rest-api sharp sql supertest typescript vitest winston zod

Last synced: 22 Jan 2026

https://github.com/tutosrive/sqlazo

SQLAZO es un módulo el cual permite gestionar procedimientos básicos en una base de datos con sqlite3 en PYTHON

basesdedatos database modules opensource programming python python3 sql sqlite

Last synced: 10 Apr 2025

https://github.com/aiwithqasim/analyse-new-york-resturants

In this project, I had analyzed the Data set regarding New York Restaurants by using SQL queries

sql sqlite3

Last synced: 02 Jan 2026

https://github.com/omiyagames/everybody-plays-golf

A now-defunct Ludum Dare 39 game: With the combined power of internet, you too can contribute to putting a single golf ball into the hole. The more heads, the better, so this should be an easy task, right? Good luck, golfer, and don't you run out of your own energy!

database game game-jam gamejam ludum-dare ludumdare mysql php sql unity unity3d

Last synced: 05 Oct 2025

https://github.com/shivamsharma32/diabetes_prediction

The challenge was to effectively predict diabetes and manage patient care by analyzing extensive patient data. This included addressing issues such as extracting meaningful insights, ensuring data integrity, and efficiently managing patient records to enhance healthcare services.

mssql sql

Last synced: 27 Jan 2026

https://github.com/leocolomb/wordpress-resurrection

👶 Back to youth

database refresh sql wordpress

Last synced: 10 Jan 2026

https://github.com/frankdias92/node-journey-fundamentals

A repository where I have been recording my studies in NodeJs

beekeeperstudio knexjs migration node nodejs postman query-builder sql sqlite3

Last synced: 10 May 2026

https://github.com/mathmendesreis/sistema-de-gerenciamento-de-clientes

Este projeto visa criar uma solução eficiente para o gerenciamento de clientes de uma empresa que realiza limpeza em residências. A plataforma é composta por um backend em Node.js utilizando PostgreSQL como banco de dados, e um frontend em React.

axios backend docker-compose frontend fullstack-development hooks monorepo nodejs orientacao-a-objetos postgresql react-hook-form react-router reactjs shadcn-ui sql tawilwind typescript vite

Last synced: 12 Apr 2026

https://github.com/stefaaan06/sql-benchmarktool

A simple java tool to benchmark your Oracle SQL server

java jdbc oracle oracle-database sql

Last synced: 17 Mar 2025

https://github.com/egjfour/dsti-course-notes

Notes for classes taken at DSTI stored in an Obsidian vault and backed up to Github. Includes notes for all courses taken during my Master's program

aws calculus cloud graph law linear-algebra mlops neo4j optimization-algorithms owl-ontology project-management rdf software-engineering sql statistics

Last synced: 19 Apr 2026

https://github.com/kununu/newrelic-mysql-reporter

(ABANDONED) A mysql database custom metrics reporter for newrelic

docker golang mysql newrelic sql yaml

Last synced: 12 Apr 2026

https://github.com/space-lumps/healthcare-analytics-sql

Healthcare analytics SQL project focused on defining clean encounter-level cohorts, deriving patient and visit features, and validating data quality through explicit QA checks. The repository emphasizes reproducible, well-structured SQL, clear cohort logic, and diagnostic queries suitable for real-world healthcare or clinical analytics workflows.

analytics-engineering cohort-analysis csv csv-processing data-modeling data-quality data-validation duckdb etl healthcare-analytics normalization qa-validation sql

Last synced: 03 Mar 2026

https://github.com/victory-ik/analysing-motorcycle-part-sales

This project analyses wholesale sales data to determine how much net revenue each product line generated per month per warehouse. The dataset contains sales transactions from June to August 2021, including details such as payment methods, warehouses, and client types.

data-aggregation postgresql query-optimization sql

Last synced: 29 May 2026

https://github.com/guilhermedeoliveiramachado/banco-de-dados-i

Todas minhas atividades de banco de dados do 1° ano feito com a Giovanna Eduarda Damasceno Reis

database sql sql-server

Last synced: 28 Apr 2026

https://github.com/coderookie0/travel_agency_db

The "Travel Agency Database" project is designed to serve as a comprehensive tool for managing travel-related data within a travel agency.

database mssql-database mssqlserver sql sqlserver travel-ag

Last synced: 12 Mar 2025

https://github.com/ziyue-pan/sqlino

Tiny SQL system supporting partially compatible operations with MySQL. With user-friendly console interface and execution result display.

mysql sql

Last synced: 18 Apr 2026

https://github.com/tamino-martinius/lets-talk-about--sql-query-performance

Lets talk about ... SQL Query Performance

html postgres postgresql pug slides slideshow sql stylus talk

Last synced: 10 Feb 2026

https://github.com/martan03/ids-project

Project to the IDS subject

er-diagram fit-vut ids sql use-case-diagram

Last synced: 05 Feb 2026

https://github.com/madhu-smita-behera/social-media-analytics-using-mssql

Extracting meaningful insights from Social media database using MSSQL

mssqlserver socialmediaanalytics sql

Last synced: 04 Apr 2026

https://github.com/abhijeetanand45/restful_api

Employee Management REST API

express mysql-database mysql2 nodejs readme restapi restapi-example restful-api sql

Last synced: 12 Apr 2026

https://github.com/theakshaykgowda/real_estate-customercare_analysis

This project involves analyzing a comprehensive dataset of real estate customer care interactions.

analysis powerbi sql sqlserver

Last synced: 15 Mar 2026

https://github.com/shef4793/hackerrank-sql-challenges-solutions

The solutions of all SQL challenges on HackerRank executed on either MySQL or MS SQL environment.

data data-engineering hackerrank hackerrank-challenges hackerrank-solutions mssql mssql-server mysql problem-solving solutions sql sql-challenges sql-query

Last synced: 11 Mar 2026

https://github.com/kathisnehith/medicare-ip-hospital-analysis

In-depth Data analysis and visualization of Medicare inpatient hospital data.

data-analysis data-cleaning-and-preprocessing data-merging excel exploratory-data-analysis medicare-claim-costs-prediction powerquery sql tableau-dashboards

Last synced: 10 Feb 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/rodrigoapolo/new-jobs

Como solução foi desenvolvido um sistema web, que permitirá que empresas presentes em comunidades possam se cadastrar e divulgar suas vagas de emprego pela plataforma.

api css html mvc php sql xampp

Last synced: 12 Mar 2025

https://github.com/mbrsagor/mysql

MySql database command line

data mysql mysql-database sql

Last synced: 14 Jun 2025

https://github.com/mono-a3/crud-estudiantes-javafx-mariadb

CRUD-Estudiantes-JavaFX-MariaDB, una aplicación de escritorio desarrollada con JavaFX para la gestión de estudiantes mediante un sistema CRUD (Crear, Leer, Actualizar y Eliminar), con conexión a una base de datos MariaDB.

crud dbeaver intellij-idea java javafx mariadb sql

Last synced: 17 Apr 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/thariniselvakumar/retailsalesanalysisbysql

This project can help drive business decisions by understanding sales patterns, customer behavior, and product performance.

business microsoftsql sql sqlserver-2022 ssms

Last synced: 27 Feb 2026

https://github.com/prabhakar-naik/spring-boot-crud-mysql

The spring-boot-crud-mysql project demonstrates the implementation of basic CRUD (Create, Read, Update, Delete) operations using Spring Boot with MySQL database integration. It includes functionalities such as adding new records, retrieving existing data, updating information, and deleting entries. This project serves as a fundamental example of ho

crud-application java java-8 spring spring-boot sql

Last synced: 04 May 2026

https://github.com/giri7a/basic-web-application

Creating a login Page and registration Page using HTML and CSS with basic validations and Backend Integration(python) Framework:- Flask

css flask html python sql

Last synced: 13 Apr 2026

https://github.com/ysskrishna/libmate

A full stack application for a library book vending application built with NextJS, TailwindCSS, FastAPI, Postgres and Docker. It is designed to manage book inventories, and member management, ensuring a seamless experience for borrowing and returning books through automated vending machines.

alembic docker fastapi inventory-management javascript library-management-system library-software logger logger-middleware nextjs postgres postgresql react sql sqlalchemy sqlite tailwind tailwindcss web-application

Last synced: 12 Apr 2026

https://github.com/ashaytiwari/online-book-store

Online book store application created on node js. (Node js tutorial application)

authentication ejs-templates mongodb mongodb-atlas nodejs server-side-application sql

Last synced: 13 Apr 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/riteshgaigawali/ccsp-08q

This repository contains daily example codes and assignment solutions from my software testing training program at Cyber Success Training Institute, Pune.

j2ee j2se java-8 jdbc selenium software-testing sql

Last synced: 14 Feb 2026

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/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/keyyard/flask-sql-ecom-website

Dynamic E-Commercial Website with Frontends HTML CSS JS BOOSTRAP, Backends Python Flask. Database via SQLite3

back-end bootstrap bootstrap5 css flask flask-application flask-backend html js python sql sqlite sqlite3

Last synced: 12 Apr 2026

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/vaxdata22/lagos-weather-s3-snowflake-email-notif-etl-by-airflow-on-ec2

This is my first ever AWS Could ETL project. This data pipeline orchestration uses Apache Airflow on AWS EC2. It demonstrates how to build an ETL data pipeline that would extract data (JSON) from the OpenWeatherMap API, transform it, dump it as CSV in S3 bucket, then copy it to a destination table in Snowflake DW and send email notification.

apache-airflow aws-ec2 aws-s3 business-intelligence etl-pipeline openweathermap-api orchestration python3 sql

Last synced: 29 May 2026

https://github.com/oyingidie/codingnomads-fullstack_development

Learning to build products, scripts, and automations from scratch.

django flask fullstack-development python restful-api sql

Last synced: 13 Apr 2026

https://github.com/nagar2nd/swiggy-analysis-using-mysql

This project analyzes Swiggy's SQL dataset to derive insights on customer behavior, restaurant performance, and order patterns. By implementing sophisticated SQL queries with intricate joins, the analysis aims to facilitate strategic decision-making for improving service quality and customer satisfaction.

sql

Last synced: 10 Feb 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/henryco/sqlightning

Reflective android java library allows you work with the built-in database easier way. You can call it ORM.

android android-library database java library orm orm-library reflection sql

Last synced: 04 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.

csv postgresql sql

Last synced: 15 Oct 2025

https://github.com/sreekar0101/bank-financial-loan-performance-trend-analysis

About This project analyzes the performance trends of financial loans using SQL for data extraction and Tableau for visualization. The goal was to perform exploratory data analysis (EDA) to understand key metrics like loan applications, funded amounts, interest rates, and debt-to-income ratios using sql and tableau for visualization

data-analysis data-visualization sql tableau

Last synced: 27 Feb 2026

https://github.com/tisttnf/lima

Project Link and Match STT NF

bootstrap css html javascript laravel php postgresql sql

Last synced: 14 Apr 2026

https://github.com/shallowmanica/student-system-website

css database html interface-design php sql system-design web-development

Last synced: 11 May 2026

https://github.com/kathleenwest/myadodemo

A simple windows form application that uses ADO.NET to connect to an existing (pre-installed) SQL Server Database to query and then display product categories into a Data Table Grid View on the form.

ado ado-net csharp csharp-code northwind northwind-database sql sql-server-database visual-studio windows-forms