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/pavanpadamata26/singletondesignpattern

This repository implements the Singleton Design Pattern for managing a thread-safe, centralized database connection pool. The design ensures only one instance of the connection pool exists during the application’s lifecycle, optimizing resource usage and performance.

designpatterns java sql

Last synced: 06 Feb 2026

https://github.com/nikkvd/ipl-data-analysis-for-2024-special-edition-magazine

This project analyzes IPL data (2021-2023) using SQL to extract insights on player performances, team strategies, and trends for a special IPL 2024 edition magazine.

data-analysis ipl sql

Last synced: 24 Feb 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/theng23/e-commerce-website-performance-analysis-sql

Using Bigquery base on Google Analytics dataset to analyze E-commerce Website

bigquery sql

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/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/fikrimusa/codewars

A Collection of Programming Practice Exercises

cpp11 cpp14 cpp17 cprogramming postgresql sql

Last synced: 14 Apr 2026

https://github.com/shdrn2402/data_analysis

A structured repository for my data analysis projects, including SQL queries, Python-based data processing, and data visualization. This serves as an index for my work in analytics, linking to individual project repositories.

datavisualization postgresql python sql

Last synced: 15 May 2026

https://github.com/pradeep31747/smartsuggest-personalized_product_recommendations

This project implements a personalized product recommendation system using machine learning techniques to enhance user experience and drive engagement.

jupyter-notebook keras numpy pandas pyhton scikit-learn sql tensorflow vscode

Last synced: 28 Jan 2026

https://github.com/project-tsurugi/tanzawa

Tsurugi SQL console, and more tools written in Java

cli database-access java jline jline3 sql tsurugidb

Last synced: 25 Oct 2025

https://github.com/sawaira-iqbal/cutomer_credit-card-financial-use-power-bi-report-

💳📊 Developed an interactive Customer Credit Card Dashboard in Power BI to analyze revenue, transactions, and customer demographics for actionable financial insights. 👩‍💻📈 Integrated PostgreSQL + DAX measures to create KPIs, segment customers by age, income, and education, and uncover spending behavior trends.

db financialreport powerbi sql

Last synced: 26 Oct 2025

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/iammshahbaz/destechnico

Simple ecommerce website Backened

express nodejs postgresql sql

Last synced: 04 Jan 2026

https://github.com/b-abdrahman-code/teacher-salary-system-javafx

a JavaFX desktop app that calculates teacher salaries using inputs like base pay, time, and workload. It connects to a MySQL database, supports login, configuration saving, and offers a clean UI with real-time results, making payroll management efficient and user-friendly

css html java javafx management-system mysql mysql-database sql

Last synced: 29 Apr 2026

https://github.com/billgewrgoulas/sql-operators

Algorithms for UNION , MERGE-JOIN , INTERSECTION , SET-DIFFERENCE , GROUP-BY SQL operators

algorithms sql

Last synced: 26 Oct 2025

https://github.com/aaisha-nexus/sql_excel_project

A data analysis project using MS SQL Server and Excel, focusing on database setup, querying, data cleaning, and visualization with PivotTables & Charts. Explored real-world sales data, financial KPIs, and interactive dashboards.

charts dashboard data-visualization dataanalysis dataanalytics databases excel kpi mssqlserver pivot-tables queries sql

Last synced: 15 May 2026

https://github.com/sultanbadri/sql-zoo

SQL practice with SQL zoo exercises.

query sql sql-zoo

Last synced: 23 Jan 2026

https://github.com/shine-jung/sql_study

SQL 고득점 Kit 풀이

mysql sql

Last synced: 27 Oct 2025

https://github.com/jurek-muszynski/bd1

Repository for lab exercises as part of Data Bases 1 class @ Warsaw University of Technology

oracle plsql sql

Last synced: 24 Jan 2026

https://github.com/lzhudson/daily-diet-api

The daily diet API is a project that consists of an API for controlling user meals.

api api-client api-rest fastify insomnia knex node nodejs sql sqlite typescript zod

Last synced: 24 Jan 2026

https://github.com/jelonmusk/sqlquerybuilder-openai

A full-stack application built with React and Node.js that leverages OpenAI’s API to dynamically generate optimized SQL queries based on natural language prompts.

chatgpt express expressjs nodejs openai openai-api react reactjs sql vitejs

Last synced: 15 Apr 2026

https://github.com/aaryan04/advanced-text-to-sql-rag

🚀 Advanced Text-to-SQL RAG System with LangChain, LangGraph & React - Convert natural language to SQL with AI-powered intelligence

ai fastapi langchain langgraph machine-learning natural-language-processing python rag react sql text-to-sql typescript

Last synced: 15 Apr 2026

https://github.com/zota0/dsn_gen

You dont know what the hell DSN is and is bored of asking AI? Or maybe you just want simple DSN?

database database-connection database-management dev-tools developer-tools dsn go golang mariadb mysql pg pgsql release sql sqlite sqlite3 zota0

Last synced: 15 Apr 2026

https://github.com/shahidmalik4/northwind-sales-analysis-using-powerbi

The "Unveiling Sales Patterns: A Comprehensive Analysis of Northwind's Sales Data" project involved the processing, transformation, and visualization of sales data obtained from Kaggle. Utilizing MySQL for data manipulation, Excel for cleaning and preparation, and Power BI for normalization and visualization.

analytics excel kaggle-dataset powerbi sales sql

Last synced: 28 Jan 2026

https://github.com/nlabsglobaltechnologgies/sql-staffcustomersfollowingdb

This database was developed in the light of the information I gained during the training I received from Istanbul Education Academy.

mssql mssql-database sql

Last synced: 16 Mar 2026

https://github.com/camillerob/recruitment_company_db

Creating a MySQL database for a recruitment company with data retrieval optimization.

mysql-database sql

Last synced: 28 Jan 2026

https://github.com/davidkhala/oracle-database-collection

collection of Oracle Database tools, documentation and notes

data-safe database oracle sql

Last synced: 06 Feb 2026

https://github.com/essentials-hub/backend-starter-kit

O Backend Starter Kit 🚀 é uma base para criar aplicações web backend com NestJS ⚛️, TypeScript 🛠️, Biome 🌿, pnpm 📦 e Prisma 🔗. Utiliza o princípio de inversão de dependência 🔄 e interfaces para padronizar validações ✅ e funcionalidades, oferecendo uma estrutura adaptável a diferentes contextos.

biome docker nestjs pnpm prisma sql typescript

Last synced: 28 Jan 2026

https://github.com/antonharbers/freecodecamp-universe

SQL Project for free code camp certificiation.

freecodecamp freecodecamp-project sql

Last synced: 16 Mar 2026

https://github.com/alenales/social-network-analytics

Проект направлен на выстраивание аналитики с нуля для приложения, объединяющего ленту новостей и ленту сообщений.

sql superset

Last synced: 28 Jan 2026

https://github.com/piyushkumar2025/e-commerce-sales-analysis

Conducted analysis of 100,000 orders (2016-2018) for Target Brazil using SQL and Python, extracting insights on order processing, pricing, payment/shipping efficiency, customer demographics, and satisfaction to inform strategic decisions.

googledocs jupyter-notebook mysql python sql

Last synced: 15 Apr 2026

https://github.com/simoun-asmar/marketflash-project

A complete marketing data solution for a fictional agency. This project covers everything from designing a normalized database and building relationships to analyzing campaign performance with SQL and visualizing KPIs in Tableau to support strategic decisions.

dashboard database-design database-schema marketing-analytics sql tableau visualization

Last synced: 28 Jan 2026

https://github.com/jabhij/apple_dataanalyis_apachespark

Analyzed Apple's dataset to check how many people bought Airpods after buying Mac or iPhone. Thereafter, using ML and predictive analytics to check future outcomes.

apache-spark databricks mllib pyspark python sql

Last synced: 08 Feb 2026

https://github.com/ajmannust41288/plsql-developer

PLSQL Developer tasks and images working files

package plsql-developer plsql-parser plsql-testing sql sqlplus

Last synced: 29 Jan 2026

https://github.com/nccapo/go-app

Go project with Websocket, Pure SQL and Gin Frameworks

gin-gonic golang sql

Last synced: 29 Jan 2026

https://github.com/naso7y/company-sales-analysis

A Power bi project for cleaning, analyzing, and visualizing company sales data to uncover trends, patterns, and business insights

analysis analytics excel power-bi powerbi sql

Last synced: 29 Jan 2026

https://github.com/huluvu424242/java-compiler-template

Template für antlr basierte Compiler in Java

antlr compiler plantuml sql sql2plantuml

Last synced: 14 Jun 2026

https://github.com/stormtrooper0006/car-rental

The Car Rental Database is a database created for transactions within the car rental business. Its Entity Relationship Diagram (ERD) is designed based on an existing car rental receipt as a reference. The database is constructed using the Microsoft SQL Server Management Studio application.

sql

Last synced: 29 Jan 2026

https://github.com/ywindows98/metallurgical_company_database

This repository presents a university assignment project that focuses on designing and implementing a comprehensive relational database for a metallurgical enterprise using Oracle SQL.

oracle-database oraclesql sql

Last synced: 06 Feb 2026

https://github.com/patricialjohnson/sql-database-analysis

In this analysis, I developed SQL queries for the Chinook Database, which contains information about a digital music store. The goal was to assist the Chinook team in better understanding their media inventory, customers, employees, and invoice data.

business-analytics chinook-database data-analytics data-visualization database sql sqlite

Last synced: 11 Apr 2026

https://github.com/rami24t/salon-appointment-scheduler_relational-database

Relational Database | Build a Salon Appointment Scheduler. For this freeCodeCamp challenge project, I have created an interactive Bash program that uses PostgreSQL to track the customers and appointments for a salon.

bash postgresql relational-databases sql

Last synced: 15 Apr 2026

https://github.com/divinemoments/project-1-titanic-sql-analysis

The objective of Project 1 is to perform SQL analysis to extract insights about Titanic passenger demographics, survival rates, and other relevant statistics.

sql sql-server titanic

Last synced: 17 Mar 2026

https://github.com/sbstnerhrdt/go-gorm-all-sql

generic sql connector for the grom framework

connector databases golang gorm mysql postgres sql sqlite

Last synced: 30 Jan 2026

https://github.com/yurmary/retantion-project

Материалы проекта по анализу метрики retention и выявлению факторов, влияющих на удержание пользователей.

sql

Last synced: 30 Jan 2026

https://github.com/paulobrazilian/hestia

Hestia: Ferramenta de comparação de preços para todos os produtos, feita em Java, SQL e React Native. Versões para desktop e mobile para compras informadas.

hexagonal-architecture java jwt kafka microservices-architecture oauth2 postgresql sql

Last synced: 30 Jan 2026

https://github.com/billwallis/metabase-monitoring

Scripts for monitoring Metabase usage.

sql

Last synced: 30 Jan 2026

https://github.com/edumoraes1/comissao-reduzida

Criação de segmentação de publico via SQL para nova feature do enjoei de comissão reduzida

bq data-analysis salesforce sql

Last synced: 06 Feb 2026

https://github.com/heyitsjoealongi/react-spring-rust-sql

A futureproof stack for enabling performance, security, and type safety.

formik java react rust spring-boot sql tailwindcss

Last synced: 06 Feb 2026

https://github.com/manishabarse/hr_data_analysis

Used Microsoft SQL Server Management Studio and Power BI

data-analysis powerbi sql ssms

Last synced: 30 Jan 2026

https://github.com/chdl17/nyc_green_taxis_peak_hour_analysis

This project analyzes GCP BigQuery data and uses Looker Studio to build a Peak Hour Analysis.

bigquery gcp google-cloud-platform looker-studio sql

Last synced: 06 Feb 2026

https://github.com/adriens/endoflife.date-nested

A collection of resources to load Product EoL in itself

cypher endoflife neo4j neo4j-database postgresql snippets sql technicaldebt

Last synced: 15 Apr 2026

https://github.com/felixdev22/catalog

Catalog - This console app helps users keep track of their possessions like books, music albums, movies, and games based on a UML class diagram. It stores data in JSON files and has a corresponding database with tables that match the program's class structure.

rspec ruby sql

Last synced: 15 Apr 2026

https://github.com/skm0626/algorithm

Solving at least one question every day!

algorithms boj cpp python sql

Last synced: 15 Apr 2026

https://github.com/aavishkarmahajan/sql

SQL code assignments and practice questions from SQL courses, SQL data analysis

data-analysis sql sql-server

Last synced: 07 Feb 2026

https://github.com/johnkinuthiaa/learn-sql-from-boot.dev

This is a repo for step by step mysql learning from boot.dev and also w3schools.It covers both simple and advanced concepts of sql.

database mysql sql

Last synced: 07 Feb 2026

https://github.com/dysnomia-studio/dysnomia.common.sql

A driver agnostic Micro-ORM for .NET

dotnet dotnet-core micro-orm orm sql

Last synced: 25 Feb 2026

https://github.com/brianlesko/postresql-docker

Run a postgreSQL server hosted in a docker container, and start a webUI for basic querying

basics container containerization containers data data-science docker postgres postgresql sql template

Last synced: 31 Jan 2026

https://github.com/mohammadmahdi-abdolhosseini/telephone-book-sql-

The Telephone Book (SQL) Application is a user-friendly Windows Forms app in C# for managing contact lists, featuring contact addition, editing, deletion, search functionality, and photo import.

csharp database sql telephone-book windows-forms

Last synced: 15 Apr 2026

https://github.com/annethsivakumar/kingston-property-rental-database

This project consists of three integrated components: an ER diagram, a relational database implementation, and a web application.

apache cross-platform css html mariadb mysql perl php sql

Last synced: 31 Jan 2026

https://github.com/engineeringsoftware/sqllogictest

List of resources related to sqllogictest

database db slt sql sqllogictest testing

Last synced: 31 Jan 2026

https://github.com/l-gre/data_analytics_for_finance

Comprehensive course materials for the Data Analytics for Finance - Master Programme, covering data manipulation, statistical analysis, visualisation, automation, and real-world case studies using industry-standard tools.

automation data-cleaning data-manipulation data-visualization excel hypothesis-testing industry-applications matplotlib numpy pandas python real-world-case-studies regression-analysis seaborn sql statistical-analysis tableau workflow-automation

Last synced: 15 Apr 2026

https://github.com/surjith-07/worksyncer

The WorkSyncer is a powerful web-based application developed using Spring Boot, Spring MVC, Thymeleaf, and MySQL. This system offers an efficient and user-friendly solution for managing employee data within an organization. It provides HR administrators and managers with a centralized platform to handle various aspects of employee informations

css html javascript mysql spring-boot springmvc sql thymeleaf

Last synced: 31 Jan 2026

https://github.com/nmerka/practicum_rep

Проекты курса Аналитик данных (Яндекс.Практикум)

jupyter-notebook matplotlib numpy pandas plotly python scipy seaborn sql tableau

Last synced: 31 Jan 2026

https://github.com/a-cndt/tin311

IPSA - [2023 - 2024] - Initiation aux bases de données

be ipsa sql sqlite3 td tp

Last synced: 31 Jan 2026

https://github.com/devtonin/dunder-mifflin-infinity

💼 A monolith dashboard app based on The Office show. Built-in ReactJS and consuming a Spring-based REST API. https://ddermffinfinity.netlify.app/

api-rest java react spring-boot sql typescript

Last synced: 12 Apr 2026

https://github.com/edprice25/fbi-cde-master-files-ml

Trains a ML regression model with data from the FBI Crime Data Explorer (CDE), for predicting crimes such as Cargo Theft.

bigquery-ml crime-analysis crime-data crime-data-analysis google-bigquery sql

Last synced: 31 Jan 2026

https://github.com/mc-osoc/myitemlibrary

My library ready-to-use commands in a MySQL repository for Minecraft Server

bukkit minecraft minecraft-plugin plugin spigot spigot-plugin sql

Last synced: 25 Feb 2026

https://github.com/jeff-vincent/flask-react-sqlalchemy-template

A simple template for creating Flask-React-SQLalchemy app.

flask react sql sqlalchemy template

Last synced: 15 Apr 2026

https://github.com/echaftech23/bookify

Bookify Room Reservation System is designed to facilitate the efficient management of meeting room reservations for employees.

sql uml

Last synced: 25 Feb 2026

https://github.com/karencofre/marketing-segmentacion-en-powerbi

Proyecto prueba de hipótesis en powerbi y python

bigquery google-colab powerbi python sql statsmodels

Last synced: 31 Jan 2026

https://github.com/roshannaidu/cybersecurity-workshop

The CyberSecurity workshop organized by the Linux Club (Cybersec101) provided me with a hands-on experience with various tools and techniques in the field of cybersecurity. This Repo contains a detailed account of what I learned and achieved during the workshop.

api cybersecurity decryption encryption gobuster json jwt php picoctf python query sql sql-injection tools txt web website workshop

Last synced: 15 Apr 2026

https://github.com/cataliniuga/squi

A web SQLite GUI, inspired by Prisma Studio and Drizzle Studio. Built with .Net Core 7 and Vue3.

dotnet-core mysql sql sqlite vue3

Last synced: 15 Apr 2026

https://github.com/yaasiin-ayeva/d4d-express-sql-boilerplate

Dev4Diversity Express API Boilerplate is a server side element to handle apis. Runs with SQL databases, Use TypeORM, JWT authentication, decorators & Custom seeders.

api-rest boilerplate-template clean-architecture dev4diversity express sql typeorm typescript

Last synced: 01 Feb 2026

https://github.com/nrhartnett/footballequipmentmanagerdb

A relational database created using Microsoft Office Access SQL queries. Example prompts as well as the queries to answer the prompts are provided.

database-management microsoft-access microsoft-access-database sql

Last synced: 01 Feb 2026

https://github.com/smackem/redis-q

A Redis shell (REPL) using a query language similar to C#'s LINQ syntax extension.

linq linq-expressions query query-language querydsl redis redis-client repl sql

Last synced: 07 Feb 2026

https://github.com/agradiansyah/hotel-database-design

Designed an information system for Puri Gardenia, an outdated hotel in Bandung, Indonesia. Built the database using SQL and created the UI/UX in Figma to modernize hotel operations and improve the guest experience.

college-project database figma hotel-management information-system-design portfolio-project relational-database sql ui-ux-design

Last synced: 15 Apr 2026

https://github.com/devarajan8/todo-application

A full-stack ToDo application using Angular and Spring Boot Having Key features include task creation, editing, marking as complete, and SQL database integration for data persistence, providing a seamless and efficient task management experience.

angular-cli angularjs spring-boot sql typescript

Last synced: 01 Feb 2026

https://github.com/gregwhitaker/sql-notebook

Personal Notebook of SQL Examples

sql sql-query sql-script

Last synced: 07 Feb 2026

https://github.com/purvajage/edoc

Edoc - Docter Appointment Booking System using PHP

css html js php sql

Last synced: 15 Apr 2026

https://github.com/yeuner/file-analysis-sql-demo

Streamlit-based application that leverages pandas, sqlite3, and file handling libraries (OpenPyXL and PyArrow) to practice SQL queries, analyze datasets, and export results. A personal project to enhance Python and SQL skills.

data-analysis dataset pandas sql sqlite streamlit vizualization

Last synced: 15 Apr 2026

https://github.com/debjyotisaha/learning-sql

This repository contains a comprehensive collection of SQL concepts, use cases, and practical examples designed to build strong foundational and advanced SQL skills.

sql

Last synced: 02 Feb 2026

https://github.com/gustavoadm/firebirdsql

Portfólio do Banco de Dados Firebird (Versões 2.5, 3.0 e 5.0)

firebird firebirdsql procedures queries sql triggers views

Last synced: 07 Feb 2026

https://github.com/jahidul2004/explore-postgres

A complete SQL practice guide with examples covering SELECT, UPDATE, DELETE, ALTER, aggregate functions, logical and date operations — all in one file for easy learning and copy-paste use.

database ordbms postgresql rdbms sql

Last synced: 26 Feb 2026

https://github.com/jancervenka/bqcli

REPL for BigQuery

bigquery gcp python sql

Last synced: 08 Feb 2026

https://github.com/between-freedom-and-space/database-migrations

Database migrations for Between Freedom and Space service

liquibase migrations plpgsql postgres postgresql psql sql

Last synced: 08 Feb 2026