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/ankushrajmaheyam/sql-top-interview-questions
I'm excited to share sql top interview asks questions with answers that I've compiled from my learning journey at Qspider/Jspider! 🚀 Whether you’re prepping for interviews or brushing up on your SQL skills, these questions will be super helpful in understanding how subqueries work in SQL.
akash ankush ankush-raj ankush-raj-mahe-yam interview jspiders mysq oracle oracle-database qspider question-answering questions sql sql-questions sub-query-questions subquery top-interview-questions
Last synced: 06 Jan 2026
https://github.com/wtlow003/sql-peer-tutor-workshop
Materials used to conduct SQL Peer Tutoring Workshop, organised under Centre for Experiential Learning (CEL) at Singapore University of Social Sciences (SUSS).
Last synced: 31 May 2026
https://github.com/a9g-data-droid/accessqueryeditor
Fork of: MS Access Databases Queries Editor
Last synced: 27 Feb 2025
https://github.com/mahmudmridul/leetcodesolutions
LeetCode problems solution and data structures implemented in python and C#
algorithms csharp data-structures leetcode-solutions problem-solving python sql
Last synced: 02 Apr 2025
https://github.com/justfifi17/transportation-management-database
Transportation Business Management Database 🚗
Last synced: 25 Jan 2026
https://github.com/jamestang12/foruntes-back-end-api
Foruntes Back-End API uses nodeJS and ExpressJs as runtime environment, allow user to interact value in SQL database with PostgreSQL
Last synced: 11 Apr 2026
https://github.com/berkemuftuoglu/ib_computer_science_ia
My International Baccalaureate computer science internal assessment
Last synced: 04 Dec 2025
https://github.com/scarblase/restaurantdatabaseproject
A relational database project for Lviv Croissants, designed to manage orders, customers, inventory, and staff, optimizing restaurant operations with SQL. 🥐☕📊
data-engineering database databases databaseschema sql
Last synced: 22 May 2026
https://github.com/carvalhocaio/sql-window-functions
SQL - Window Functions
Last synced: 30 Mar 2025
https://github.com/prneidhardt/aws-data-warehouse
Sparkify Project
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https://github.com/nycolop/restaurant_database_with_schema
a restaurant database with schema
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https://github.com/mensenvau/tech_stars_front
Startup Weekend Bukhara
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https://github.com/aldrinjenson/smart-qa
Query any structured data and find relations using natural language
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https://github.com/hourout/elasticsearch_kernel
Elasticsearch Kernel for Jupyter
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https://github.com/deniska69/zayavka
Курсовая работа на тему "Автоматизация учёта заявок в IT-отделе"
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https://github.com/mezubairkhan/sql-server
This repository contains SQL Server queries.
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https://github.com/irsol/udacity-data-foundations-nd
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https://github.com/techgirldiaries/rydeeasy
A Python-based application for trip management, history viewing and booking modifications, ensuring an efficient and user-friendly experience.
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Last synced: 17 Jan 2026
https://github.com/vaxdata22/cities-weather-s3-snowflake-slack-notif-etl-by-airflow-on-ec2
This is my second industry-level 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 destination tables in Snowflake DW and send Slack notification.
apache-airflow aws-ec2 business-intelligence dags data-warehousing etl-pipeline openweathermap-api orchestration python3 slack-webhook snowflake sql
Last synced: 26 May 2026
https://github.com/rominalodolo/sql
Class work and more exercises for SQL
database mysql postgresql python server sql sqlite
Last synced: 08 Apr 2026
https://github.com/yasminbrazasilva/exerciciosbancodedados-af-1
Exercícios para AF da matéria de Banco de Dados do 2º semestre de ADS
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https://github.com/zbkazi/zobaidulkazi
Zobaidul Kazi👋🏽 ||Back-End Developer Portfolio
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Last synced: 03 Feb 2026
https://github.com/chojogebutsu/postgresql-data-warehouse-project
Building a Data Warehouse with PostgreSQL, including ETL processes, Data Modeling, and Analytics.
data-cleaning data-engineering data-warehouse etl plpgsql postgresql sql
Last synced: 03 Jul 2025
https://github.com/nghiant3110/firebase_6
This is a DA project based on the Firebase Sample dataset on Big Query
bigquery firebase looker-studio sql
Last synced: 02 Jan 2026
https://github.com/platzi-master-c8/automation-database
This is how was created the database for Automation cell in Heroku-Postgres 🚀🛢️
Last synced: 30 Mar 2025
https://github.com/mrkem598/sql-functions
SQL functions are built into Oracle and are available for use in various appropriate SQL statements. You can also create your own function using PL/SQL.
avg max mod oracle-11g sql sql-functions sqrt truncate
Last synced: 06 Jan 2026
https://github.com/punit-naik/sqles
A Clojure library designed to convert SQL statements into Elasticsearch queries
clojure elasticsearch es query query-builder sql sql-to-elasticsearch sql-to-es
Last synced: 19 Apr 2026
https://github.com/konstantinkalinichenko/payments-analysis
A project to analyze payments on a fictitious streaming platform using SQL
Last synced: 18 Feb 2026
https://github.com/arkapg211002/sem-6-cse
Sem 6 lab assignments MAKAUT
assignment-solutions c computer-networks-lab cse dbms-lab makaut oracle-db socket-programming sql ubuntu windows
Last synced: 05 Mar 2025
https://github.com/r1te5h/usermanagement-supabase
Repository for creating a user management website using Supabase's Authentication and Supabase's built in Postgres SQL database. The database was creating using Row Level Security.
nextjs14 postgresql sql supabase-auth
Last synced: 11 Jun 2025
https://github.com/theo-liang/sql-and-tableau-project-analysis-for-rockbuster-stealth
This project involved analyzing data for Rockbuster Stealth LLC, a fictional movie rental company transitioning to an online video rental service.
cleaning-data common-table-expressions filtering-data relational-databases sql subqueries-and-joins
Last synced: 27 Feb 2026
https://github.com/jjlongoria/sf-database-to-sql
Repository to storage the Salesforce Database to SQL system. Convert any SObjects and their relationships on SQL Script
apex converter salesforce salesforce-developers script sql
Last synced: 06 Jan 2026
https://github.com/santiagoagustinplaza/data-science-sql
The repository contains SQL examples organized into folders corresponding to the "Advanced SQL for Data Engineering" course sections. Each folder includes SQL files with examples and exercises to reinforce your understanding.
Last synced: 04 Feb 2026
https://github.com/winniecirino/health-insurance-analysis
This repository contains an analysis of a Health Insurance dataset aimed at understanding the factors affecting insurance charges. The project involves identifying significant factors that influence insurance costs and providing actionable insights to support decision-making.
Last synced: 08 Apr 2025
https://github.com/buddhad/sql-learning
My Practice SQL queries
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Last synced: 28 Jun 2025
https://github.com/msmolyakov/querydsl-sql-jdbc-junit-example
Using QueryDSL-SQL to generate Java classes from database in 'test' Maven phase
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Last synced: 13 Apr 2026
https://github.com/selsoftdf/sql-server-development
A collection of T-SQL scripts, stored procedures, functions, and other SQL Server development samples for learning and reference purposes.
Last synced: 02 Jan 2026
https://github.com/swimburger/efstoredproceduresample
Sample for using Stored Procedures with Entity Framework Core
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Last synced: 14 Mar 2025
https://github.com/higorcazuza81/higorcazuza81
A little about me
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Last synced: 04 Jul 2025
https://github.com/wilhelmcs/sql-scripts
PL-SQL scripts used in database course
Last synced: 02 Jan 2026
https://github.com/jsnbdrx/tech-blog
Tech Blog is a blog application with user accounts, posts, and comments.
expressjs handlebarsjs nodejs sql
Last synced: 04 Jan 2026
https://github.com/srinibas-masanta/homecare-database-management-system
This project is a database management system built on PostgreSQL for a home care worker providing agency. It is designed to facilitate efficient scheduling, billing, user registration, and contract management, ensuring compliance with healthcare regulations.
dbms-project postgresql postgresql-database sql srs-document
Last synced: 02 Apr 2025
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/sandipmaurya2611/crm-system-using-php
This is a simple Customer Relationship Management (CRM) system built using PHP and MySQL.
Last synced: 16 Apr 2026
https://github.com/kiramishima/crimes_in_mexico_city_analysis
DeZoomCamp Project: Crimes in Mexico City.
data-engineering data-science data-visualization dbt-cloud dezoomcamp gcp sql terraform
Last synced: 26 Jan 2026
https://github.com/arkenidar/spring-db
simple (for now) HTTP access to SQL, coded in Java programmer's language.
Last synced: 03 Nov 2025
https://github.com/itayreznikie/retail-data-analysis
SQL queries and Power BI dashboards for data exploration and business analysis.
Last synced: 09 Feb 2026
https://github.com/purushothamadluru/analyzing-supermarket-trends-using-sql
This repository contains an analysis project focused on optimizing supermarket operations, particularly evaluating sales performance, operational costs, and labor efficiency. The analysis uses data-driven insights to assess the impact of opening or closing supermarkets on Sundays.
jupyter-notebook sql supermarket-trend-analysis
Last synced: 26 Mar 2025
https://github.com/catterall/dbscripts
A small Python package to quickly run database object scripts against a database without dependency issues.
database database-management database-migrations databases script scripting scripts sql sql-query sql-server
Last synced: 15 Sep 2025
https://github.com/ramsailopal/liquibase-demo
A demonstration of Liquibase
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Last synced: 17 Dec 2025
https://github.com/nhassl3/todo-app-golang
A full-fledged REST API application for taking notes or making to-do lists. Suitable for those who want to manage their time
docker docker-compose dockerfile gin go golang golang-api golang-examples golang-jwt-a golang-rest jwt jwt-authentication postgresql rest-api sql sqlx todoapp
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https://github.com/imdeepanshugpt/bank-simulator
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https://github.com/siddik-1997/day-care-centre-java
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https://github.com/valda1/appartment_management_system
Java Software Engineering Bootcamp final project: Apartment house management system.
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Last synced: 07 May 2026
https://github.com/sushmey/haikublog
A website to posts haikus
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Last synced: 17 May 2026
https://github.com/khonor199/otif
This project contains two PostgreSQL queries used to build widgets for an **OTIF (On-Time In-Full) dashboard**, which helps monitor supplier performance and delivery accuracy across clients and distribution centers.
otif postgresql sql supply-chain-analytics
Last synced: 18 Jun 2025
https://github.com/eddieatgoogle/sql-based-genai-data-pipeline
GenAI data pipeline that performs data preparation, management and performance evaluation tasks for RAG systems using SQL as the primary development language. Please feel free to use this as a starting point for your own projects.
bigquery bqml dataform dbt embeddings gemini google-cloud-platform sql vector-search vertex-ai
Last synced: 25 Feb 2025
https://github.com/sasakiyori/sqltext
Simplify the plain sql text which contents comments and line feeds, also do simple grammar analysis for it.
go postgresql sql sqltext text
Last synced: 17 Jan 2026
https://github.com/aniketmondal/new-h2-website
Repository of the new dynamic website of Hostel 2, IIT Bombay, created by H2-Web Council (2018-2019, 2019-2020). Currently, all the gymkhana websites are not accessible from outside networks. And as this is a PHP-based, database-backed website, I can't properly host it live on GitHub pages.
bootstrap css3 html javascript mysql-database parallax php sql
Last synced: 08 Apr 2026
https://github.com/anya-ananasss/schedule_app
Pet-проект "Расписание".
docker java javascript pet-project spring-boot spring-mvc spring-security sql website
Last synced: 05 Apr 2025
https://github.com/tosh2230/sfb
Cost estimator for Google BigQuery
cost-estimator gcp google-bigquery sql
Last synced: 21 May 2026
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.
backend database postgres postgresql roadmap sql
Last synced: 18 May 2026
https://github.com/shaldonbarnes10/xenos_airport_operations
“XENOS” is a comprehensive airport operation management system designed as a database-driven application to efficiently streamline and manage core airport activities. It handles critical aspects such as flight schedules, passenger information, and reporting functionalities tailored for airport staff, employees, and crew members.
css3 expressjs git github html5 javascript nodejs postgresql-database sql
Last synced: 12 Apr 2026
https://github.com/fou1100ouacus/advanceddatabaseproblems
It is intended for database professionals, students, and anyone interested in deepening their understanding of complex SQL queries, performance optimization, and database design.
database sql tsql-stored-procedures
Last synced: 14 Apr 2025
https://github.com/aburraq/hotelmanagementsystem
This Hotel Management System is a Java-based application designed to streamline and facilitate the management of hotels, rooms, reservations, and guests by using Hibernate and JDBC, it provides a user-friendly interface for performing essential operations within a hotel environment.
hibernate hotel-management-system java jdbc orm postgresql reservation-system sql
Last synced: 27 Feb 2025
https://github.com/bobbyiliev/mz-adonisjs-demo
Streaming SQL with Materialize, Redpanda/Kafka and AdonisJS
adonisjs materialize redpanda sql streaming-data
Last synced: 17 Mar 2025
https://github.com/puspacempaka/hackerrank-sql-challenges-intermediate
This repository features solutions to various intermediate-level SQL challenges from HackerRank. It includes efficient SQL queries, problem-solving techniques, and well-documented scripts. Explore these solutions to understand different SQL problems and enhance your skills.
challenges data-analysis database hackerrank-solutions queries sql sql-intermediate-level
Last synced: 02 Jan 2026
https://github.com/prakharsinha-09/binarybard-blogfordevs
presenting you the all new blog webapplication, will be leveraging PostrgesSQL as database, HonoJS for writing APIs, Prisma ORM with Connection Pooling and many more backend tech and React and Tailwind for the Frontend
cloudflare cloudflare-workers connection-pool honojs javascript nodejs npm postgresql prisma prisma-accelerate react sql tailwind typescript vite zod-validation
Last synced: 10 Apr 2026
https://github.com/andreasscherbaum/php-boolean2
PostgreSQL boolean2 data type for PHP
boolean php php-boolean2 postgresql sql
Last synced: 14 Mar 2025
https://github.com/scottgriv/sql-mssql_excel_export
Export data from Microsoft SQL Server to Excel.
excel excel-export excel-exporter microsoft-sql-server microsoft-sql-server-management-studio microsoft-sqlserver-database mssql mssql-database mssql-server sql sql-database sql-server
Last synced: 01 Apr 2025
https://github.com/fasunle/trivia
Udacity inspired App. Project 2 in Fullstack Engineering Role
ajax api cors flask fullstack python react restful-api sql
Last synced: 08 Apr 2026
https://github.com/abderrahmanerabeh/drive_loc-gestion_vehicules
Plateforme de gestion de location de voitures développée en PHP/SQL. Explorez les catégories, réservez des véhicules, laissez des avis, et profitez d'une interface client intuitive et d'un dashboard admin complet.
css css3 htaccess html html5 javascript js laragon mysql php scss sql
Last synced: 14 Apr 2026
https://github.com/theng23/analyze-revenue-phone-sales-store-sql
Utilize SQL to explore order, customer, revenue, brand of Phone Store
Last synced: 24 Jan 2026
https://github.com/mohamedamineboufares/redit-clone
A clone of the knowen plateforme Reddit.
graphql nextjs sql stepzen supabase tailwindcss
Last synced: 08 Apr 2026
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/luisnivar/pos_acuario-marisol
Diseñé, desarrollé e implementé un Point of Sales (PoS, Punto de ventas) para un establecimiento pequeño, de venta de peces, peceras, alimentos y accesorios alusivos a estos.
csharp desktop dotnet point-of-sale sql
Last synced: 08 Mar 2026
https://github.com/lexxai/fastapi_depends
FastAPI Dependency Injection: 21 Examples Using Depends() with AI Answers
ai dependency-injection docker fastapi patterns postgresql python redis singleton sql sqlalchemy
Last synced: 08 Apr 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/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/orliluq/orliluq
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Last synced: 08 Apr 2026
