An open API service indexing awesome lists of open source software.

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.

https://github.com/kalebers/leetcode

Personal Codes from Leetcode challenges using different languages

cpp csharp database java javascript leetcode-solutions python sql

Last synced: 14 Apr 2026

https://github.com/povdai/55-grupe-egzas

Paprastas puslapis su admin dalimi kurioje galima pasirinkti paslaugas ir užsiregistruoti

css expressjs html5 node-js reactjs sql

Last synced: 14 Apr 2026

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.

c cs50 css flask html js labs python sql

Last synced: 11 Apr 2026

https://github.com/deepakramani/dbt-bike-insights

A small scale ETL project that ingests data into the data warehouse using dbt(data build tool) to facilitate transformation and analytics.

analytics-engineering data-engineering dbt dimensional-modeling etl jinja sql

Last synced: 21 Jan 2026

https://github.com/smuibrig/socialnetwork

This project enables users to find other users and to engage with them by making friend requests, accepting friend requests and declining friend requests.

express nodejs reactjs redux socket-io sql

Last synced: 17 Feb 2026

https://github.com/darrendavy12/retail_sales_etl_data_pipeline_postgressql_python_analytics

Online retail data set from kaggle, I used this for a project using PostgreSQL to demonstrate my knowledge in SQL and workarounds when using the pgadmin GUI and psql tool.

analytics data-engineering datacleaning ecommerce ingestion onlineretailanalysis postgres postgresql realistic-data sql transfrom

Last synced: 10 Oct 2025

https://github.com/queirozz8/sql-studies

SQLite exercises in a course by Rocketseat.

course database db sql sqlite

Last synced: 05 Feb 2026

https://github.com/gcoronelc/sql-server-bi-003

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

bi desarrollasoftware gcoronelc sql

Last synced: 19 Jan 2026

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

User Interface Project created with Tkinter for SQL database manipulation.

crud crud-application database database-management pyodbc python python-script sql tkinter tkinter-messagebox tkinter-python

Last synced: 18 May 2026

https://github.com/jakesaintg/todo

A small to-do list application to practice Windows Form, Entity Framework, and DB.

csharp entity-framework sql windows-forms

Last synced: 18 May 2026

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

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

database-management mariadb sql

Last synced: 11 Oct 2025

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.

database-management database-schema databases schema sql

Last synced: 11 Oct 2025

https://github.com/mohamedmahertawfik/laravel_library

library project with api for each table

api laravel mysql php postman rest-api sql

Last synced: 14 Apr 2026

https://github.com/martachesnova/advanced-data-storage-and-retrieval--sqlalchemy-flask

Analysis of Hawaii weather using Python's libraries SQLAlchemy and Matplotlib, and to create a weather API to do a climate analysis based on the data stored in SQLite database.

flask python sql sqlalchemy

Last synced: 14 Apr 2026

https://github.com/AmandineDurand/Hotel_Mermaid

Projet SN1 : création d'une application web pour un hôtel avec parties publique (réserver des chambres) et privée (gestion des chambres et des réservations)

css html5 php phpmyadmin sql

Last synced: 11 Oct 2025

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.

data-analysis data-visualization powerbi-desktop sql

Last synced: 11 Oct 2025

https://github.com/rainggor/taskmanagementsystems

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.

java java21 postgresql spring spring-boot spring-security sql

Last synced: 14 Apr 2026

https://github.com/thoratstuti/web-based-examination-system

Web-based examination system with dual interfaces: a student portal for online exams and an administrative panel for managing users, exams, and results.

bootstrap4 css html5 sql

Last synced: 19 Jan 2026

https://github.com/s0fiamedina/proyectojardineriadb_j1

Esta es la base de datos de una jardineria que posee +1000 registros que contiene información de clientes, empleados, ordenes, pedidos y oficinas de los empleados.

databases mysql normalization normalization-database sql

Last synced: 19 Jan 2026

https://github.com/silvermete0r/sdu_hackathon_uss_db_analysis

Smart Data Ukimet Hackathon - "Data Modeling" case Solution - Topic: Store Analysis based on Unified Star Schema

data-analysis data-modeling postgresql python sql unified-star-schema

Last synced: 14 Apr 2026

https://github.com/girish54321/todo_app-api

My ToDo App (Backend) is a backend service built with Node.js, Express, and Sequelize.

expressjs json nodejs sql

Last synced: 05 Apr 2026

https://github.com/janluksoft/tsqlpivot

An example of a complex T-SQL query

dynamic-sql ms-sql-server sql t-sql

Last synced: 13 Mar 2026

https://github.com/himanchal-103/textmanipulator

TextManipulator is a web-based application built using Django, MySQL, HTML, and CSS. This application allows users to input text and perform various text processing operations on the provided string.

django sql sqlite3

Last synced: 09 May 2026

https://github.com/abeltavares/postql

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

cli command-line-interface data-analysis data-engineering data-export data-management data-processing data-visualization database database-administration database-tools etl oop postgres postgresql psycopg2 python sql sqlalchemy wrapper

Last synced: 19 Jan 2026

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

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

data dataanalysis database question-answering sql

Last synced: 19 Jan 2026

https://github.com/akshaygogeri/hostel-db

Its a website that manages various hostel activities for Students and Admins.

dbms sql sql-query

Last synced: 12 Oct 2025

https://github.com/hernangasca/ecommerce-project

This repository contains a data analysis and visualization project developed in Power BI for an e-commerce company. The purpose of the project is to create an interactive dashboard that provides key insights into Year-to-Date (YTD) sales and supports strategic decision-making.

dax-expression kpi-s power powerbi-desktop query sales-analysis sql sql-query sql-server

Last synced: 13 Oct 2025

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.

database-management databases mysql sql

Last synced: 19 Jan 2026

https://github.com/formtrix/postgresql

SQL Queries

postgres sql

Last synced: 13 Oct 2025

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

A (Destructured) Express Node PostgreSQL App w. Controllers

api express javascript node nodejs postgresql sql

Last synced: 29 Apr 2026

https://github.com/dababyox/susiswingawt

Sign-In and Sign-Up Java GUI using Swing and AWT

awt awt-gui java sql swing

Last synced: 13 Oct 2025

https://github.com/arunabhagit/data-driven-marketing-optimization-enhancing-engagement-conversions-and-customer-satisfaction

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.

business-intelligence data-visualization dataanalytics marketingstrategy powerbi python sql

Last synced: 13 Oct 2025

https://github.com/james-ralph8555/1brc

1brc https://www.morling.dev/blog/one-billion-row-challenge/

cpp datafusion duckdb rust sql

Last synced: 18 Apr 2026

https://github.com/petcareai/dba

PetCare DBA Admin é um sistema web avançado desenvolvido especificamente para a administração e gerenciamento de bancos de dados da plataforma PetCare. Esta ferramenta foi criada para simplificar e otimizar o trabalho de administradores de banco de dados (DBAs) em clínicas veterinárias, hospitais veterinários e sistemas de gestão pet.

api dba front-end-development git numpy pandas-dataframe petcareai ploty postgresql python shell-script sql startup streamlit streamlit-webapp supabase supabase-auth supabase-db supabase-storage virtualenv

Last synced: 14 Apr 2026

https://github.com/aegodoy1492/mi-primer-repositorio

Mi primer repositorio en GitHub para el curso de FreeCodeCamp

csharp devexpress pyton sql visualbasic

Last synced: 13 Oct 2025

https://github.com/ryancasf/query

Query construction, SQL commands.

mysql-database query sql

Last synced: 31 May 2026

https://github.com/saraleitexyz/sgbd-classes

A collection of SQL exercises, notes and theory from my studies; including material from the MySQL documentation and other resources.

education exercises learning mysql sql study-notes

Last synced: 31 May 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/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/ssanthosh010303/d15c2

Day-15 Challenge-2: Database Schema for a Video Store

erd rdbms sql

Last synced: 19 Feb 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/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/mizcausevic-dev/dbt-multi-touch-attr

TypeScript control plane plus dbt-style SQL assets for multi-touch attribution, journey stitching, and reviewable revenue-credit logic.

analytics attribution dbt marketing-analytics revops sql typescript

Last synced: 01 Jun 2026

https://github.com/mizcausevic-dev/search-observability-warehouse

SQL warehouse for search console, crawl, index coverage, freshness drift, and URL-level observability diagnostics.

analytics-engineering crawl-analysis data-modeling indexation python search-observability sql technical-seo warehouse

Last synced: 01 Jun 2026

https://github.com/mizcausevic-dev/revops-database-lab

PostgreSQL revenue operations lab for pipeline modeling, attribution analysis, forecast visibility, and renewal risk reporting.

analytics attribution data-modeling database-design forecasting postgresql revenue-operations saas sql

Last synced: 01 Jun 2026

https://github.com/mhd-amirul/sqlexercise

Solve SQL From Hacker Rank

hackerrank sql

Last synced: 05 Feb 2026

https://github.com/yenilikci/nesneyonelimlianalizvetasarimdersi

YIL İÇİ PROJE ÇALIŞMASI - NESNELERİN İNTERNETİ SİSTEMLERİ İÇİN AKILLI CİHAZ (NESNE) TASARIMI

iot java nesne sql

Last synced: 16 Oct 2025

https://github.com/7sferry/dynamic-query-with-jpa

this is related to https://ferry.vercel.app/blog/dynamic-query-pada-java-part-i-jpa

hibernate java jpa query specification spring spring-boot springdata-jpa sql

Last synced: 05 May 2026

https://github.com/shivabajelan/legacy_employee_database_analysis

The SQL project involved designing tables to hold data from six CSV files, creating a table schema for each file, importing the data into SQL tables, and performing data analysis. The analysis involved answering various questions about the data, such as listing employee information and department managers and ...

erd postgresql relational-databases sql

Last synced: 17 Oct 2025

https://github.com/query-farm/python-sql-scan-planning

A Python library for intelligent file filtering using SQL expressions and metadata-based scan planning. This library enables efficient data lake query optimization by determining which files need to be scanned based on their statistical metadata.

duckdb predicate-pushdown predicates query-processing scan-planning sql sql-engines

Last synced: 14 Apr 2026

https://github.com/plishka/ad_metrics

Facebook and Google Ad Campaigns Analysis. Metrics Calculation

lookerstudio postgresql sql

Last synced: 02 Apr 2026

https://github.com/umairsyed613/efdbfactory.sql

Factory Pattern for Entity Framework core. supports multiple sql server database with multiple dbcontext support.

dbcontext entity-framework entity-framework-core factory-pattern sql

Last synced: 19 Oct 2025

https://github.com/mahmud-kandawala/hoopslink-database-design-capstone-project

This repository hosts the source code and documentation for a versatile platform that connects coaches, players, and equipment suppliers. The system facilitates scheduling, inventory management, performance reviews, and transaction processing, creating a unified experience for all stakeholders involved in the basketball community.

database microsoft-sql-server normalization sql

Last synced: 14 Mar 2026

https://github.com/liannoi/exam-database

Examination work on subjects "Database Theory" and "Programming and Administration of the MS SQL Server DBMS"

database-theory exam exam-practice ms-sql-server sql sql-server t-sql

Last synced: 14 Mar 2026

https://github.com/kursatfndk/homework-tracking-db-sql

This project includes a basic SQL database to keep track of the topics. It was developed to practice SQL after learning Python.

sql sql-server

Last synced: 19 Oct 2025

https://github.com/karolinacodes/lighthousebnb

An application built for Database Design, ERD Creation & SQL Practice

database erd postresql sql

Last synced: 16 Apr 2026

https://github.com/rayapatilavakumar/sql-server-videos-for-beginners

My Youtube playlist - SQL Server Videos for Beginners - https://www.youtube.com/playlist?list=PLOX4P8JBtVQCH3nU5FXyrOoLn1z9rTUf1

dynamic-sql isolation sql sql-injection-attacks sqlserver stored-procedures synonyms view

Last synced: 24 Feb 2026

https://github.com/abdullahasghar/sql

The repo includes all projects and assessments I have completed with SQL. IDE/s used: MS SQL Server, Google Big Query.

bigquery mssqlserver sql

Last synced: 15 Mar 2026

https://github.com/anag0es/projetojava

Cadastro de usuário com java e sql - curso técnico em desenvolvimento de sistemas

cadastro-de-clientes java sql

Last synced: 20 Oct 2025

https://github.com/rakibul263/mysql-database

📌 SQL-এর খুঁটিনাটি (MySQL সহ) এই 🗂️ রেপোজিটরিতে SQL-এর বিভিন্ন খুঁটিনাটি বিষয় বাংলা ভাষায় 📖 ব্যাখ্যা করা হয়েছে। এখানে 🛢️ MySQL-এর প্রয়োজনীয় কোয়েরিগুলো সংযুক্ত করা হয়েছে ✅

database mysql-database sql

Last synced: 20 Oct 2025

https://github.com/jbrown9124/do-or-do-not

Created a social task-managing full-stack web application. Allows you to create, share, edit (drawing and image importing features included), and complete tasks with users on your friends list. Includes user authentication, a friends list (received and sent friend requests), and friend alerts (ex. notifying a user when a friend has completed a shared task). The client was created with React.js, the REST API with Python (Django), and data is stored in and queried from a PostgreSQL (SQL) database. Deployed using Heroku.

bootstrap-5 django heroku javascript postgresql python reactjs sql

Last synced: 07 Apr 2026

https://github.com/saisurajmatta/nashville-housing-data-cleaning-project

Clean and standardize Nashville Housing dataset using SQL queries for improved data quality and structure.

azure-data-studio data-analysis mssql mysql sql sql-data-cleaning sql-queries sql-server-management-studio

Last synced: 23 Jan 2026

https://github.com/eufony/dbal

Zero-configuration extensible PHP database abstraction layer library.

dbal eufony php sql

Last synced: 01 Jun 2026

https://github.com/yevheniidatsenko/goit-rdb-hw-05

✴️ RDB Hometask - SQL course

goit goit-rdb-hw-05 sql workbench

Last synced: 27 Jan 2026

https://github.com/lyrasis/collectionspace-sql

Notes on and examples of SQL for working with CollectionSpace data

collectionspace postgresql sql

Last synced: 23 Jan 2026

https://github.com/gunifiri/duckdb-ghw

🦆 Accelerate analytics with DuckDB's integration for GitHub workflows, enabling efficient data handling and processing directly within your repositories.

analytics analytics-engine big-data columnar-storage data-analysis data-science database duckdb in-memory-database open-source parquet python query-planner r sql

Last synced: 29 Apr 2026

https://github.com/Verkstaden/skifta

Skifta is a CLI tool for transforming data dumps by masking sensitive data, generating random test data, and creating smaller subsets for non-production environments.

data-dump data-dumps database mysql postgresql sanitize sql transform

Last synced: 24 Oct 2025

https://github.com/jevxtn/sql-101

SQL 101: A beginner-friendly guide to understanding and working with SQL. This repository covers the basics of SQL syntax, queries, and database management, providing hands-on exercises and examples to help you build a solid foundation in SQL.

query sql sql-query sqlite-database

Last synced: 15 Mar 2026

https://github.com/sabdikay/airbnb-europe

Airbnb-Europe is an analytical project that examines a cleaned Airbnb dataset for European markets, originally sourced from Kaggle. The project leverages SQL to query and transform the data and uses Tableau for interactive visualizations and dashboards.

biandanalytics dashboard eda exploratory-data-analysis mysql sql tableau

Last synced: 10 Jul 2026

https://github.com/leyantong/payment_gateway

The Payment Gateway project simulates a payment processing system that allows merchants to process payments and retrieve payment details. This solution includes a payment gateway service, a mock bank simulator, and integrated Swagger documentation for API exploration.

gin golang payment-gateway sql uuid-generator webapp

Last synced: 28 Jan 2026

https://github.com/nesarw/travel-recommendations-website

A Travel Recommendation Website Project in PHP

css html javascript php sql

Last synced: 14 Apr 2026

https://github.com/albertofaraujo/sql_eda_capes

O objetivo desta análise exploratória é identificar padrões e tendências nas atividades de fomento a bolsas de estudos no Brasil e no exterior, promovidas pela Capes desde 2005

apache-spark data-science databricks eda sql

Last synced: 06 Feb 2026

https://github.com/shubhamsharma0711/research-paper-management-system-rpms

Group Project Completed in CSE656:Information Integration and Applications course in IIITD during the Monsoon 2024 Semester. Professor:Mukesh Mohania

cohere cse656 flask fuzzywuzzy gcp html iia iiitd jinja mongodb mysql mysql-connector-python pandas pymongo python sentence-transformers sql

Last synced: 23 Jan 2026

https://github.com/turnipdo/ssms-sql-powerquerym-functions

Using Power Query M to extract values from Excel workbooks for dynamic insertion into SQL code.

data-analytics microsoft-excel powerquerym sql

Last synced: 23 Jan 2026

https://github.com/linguini1/carefinder

Matches patients with healthcare providers based on their specific needs and health profile. Based on the original OEC 2023 challenge.

api backend css database frontend full-stack html javascript python react rest-api sql sql-lite web-app web-development website

Last synced: 26 Oct 2025

https://github.com/melvinernestosg/tarea-4-hacertutorialdesqlserveren2semanas

Developed by a person who knows very little about the database.

microsoft-sql-server sql sql-server

Last synced: 26 Oct 2025

https://github.com/suganyarajes/sql-react33

SQL (Structured Query Language) is a domain-specific language used for managing and manipulating relational databases.

database sql table

Last synced: 01 Jun 2026

https://github.com/robindumontchaponet/reflexivequery

[WIP] Somewhat effective SQL query builder

database pdo php8 queries sql work-in-progress

Last synced: 27 Oct 2025

https://github.com/ascentis/foreach-db

PowerShell module to execute SQL scripts in each database in a single or multiple servers

parallel-programming powershell-module sql sql-server

Last synced: 14 May 2026

https://github.com/pavansai0514/jdbc

Java Programs to perform CURD operations with MYSQL Database

java mysql-database sql

Last synced: 24 Jan 2026

https://github.com/igorconstant/sgsp

Composition of the SGSP Project - Federal Institute of Science and Technology of São Paulo.

css html java javascript php sql

Last synced: 13 Apr 2026