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/miroslaw-zieba/secure-query-handler

Secure Query Handler by Mirosław Zięba is a PHP class for secure, efficient SQL query management. Designed for robust database security, dynamic parameter validation, and transaction handling, it leverages parameterized queries to protect against SQL injection and maintain data integrity.

data-validation database-abstraction database-security error-logging miroslaw-zieba mssql multi-database-support mysql object-oriented-programming parameter-validation pdo php php-class postgresql query-builder secure-query-handler security sql sql-injection-prevention transaction-management

Last synced: 14 Apr 2026

https://github.com/iammshahbaz/destechnico

Simple ecommerce website Backened

express nodejs postgresql sql

Last synced: 04 Jan 2026

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/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/lilmorzz/sistema-lpsmart

Sistema Java de Vendas com Controle de Estoque para LPSmart.

java sql

Last synced: 31 Mar 2025

https://github.com/fbarffmann/sql-challenge

Designed and queried a PostgreSQL employee database to analyze salary trends and organizational structure. Built ERD, created tables, and developed business-focused SQL queries.

data-cleaning data-modeling database-analysis employee-database erd postgresql salary-analysis sql

Last synced: 24 Apr 2025

https://github.com/arsalanazadkhah/nashville-housing

Nashville Housing Analysis Using SQL

sql

Last synced: 23 Jan 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/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/ndomah1/data-cleaning-in-mysql

This project cleans and standardizes a global dataset of tech layoffs using MySQL, transforming raw data into an analysis-ready format.

data-cleaning data-preparation layoffs mysql sql

Last synced: 25 Mar 2025

https://github.com/azonedev/sql-notes

DBMS & SQL notes with use case & examples. This repo will help you to think in SQL way

database dbms my-sql notes sql

Last synced: 28 Feb 2025

https://github.com/guilhermersouza34/sql_pt2

Projeto Criação de um banco de dados relacional com três tabelas principais: Produto, Cliente e Vendas. Foram estabelecidas relações entre essas tabelas para modelar cenários de vendas, onde produtos são vendidos para clientes registrados. Além disso, foram realizadas inserções de dados simulando registros de vendas e consultas

java sql

Last synced: 04 Jul 2025

https://github.com/nambukeerthi/youtube_dataproject

Build a Streamlit App – A user-friendly interface. Use Google API – Fetch YouTube channel data. Store in SQL Database – Save channel details for easy access. Search & Join Tables – Allow users to query and view data

api numpy pandas python sql streamlit

Last synced: 09 Apr 2026

https://gitlab.com/buckeye/bs-mysql2-relude

A wrapper for the MySQL2 interface using the Relude.IO monad.

bucklescript database mariadb mysql reasonml relude sql

Last synced: 26 Oct 2025

https://github.com/sarthakagg29/sql-share-trading-analysis

Analysis of share trading transactions using SQL. Includes table setup, sample data, and a variety of queries to answer typical business questions about stocks and trading.

data-analysis dbeaver portfolio postgresql share-market sql

Last synced: 04 Jul 2025

https://github.com/souhiloo/personalbase.sgl

Manage your personal information with this PostgreSQL database. Track courses, finances, habits, tasks, and trips efficiently. 🌟📊

courses data-modeling erd finance-tracker habit-tracker personal-database postgresql relational-database sql trips

Last synced: 04 Jul 2025

https://github.com/darrendavy12/postgressql_retail_sales_data_pipeline-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 or psql tool.

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

Last synced: 04 Jul 2025

https://github.com/shubhamsinghcmr/code-diverse

Here, you'll discover a versatile collection of code snippets spanning various programming languages. These snippets are crafted to be easily integrated into your projects, empowering you to efficiently address diverse programming needs across different applications.

android cloud csv custom-server java php python sql xml

Last synced: 12 Apr 2026

https://github.com/ghokun/database-playground

Database playground to test SQL queries

postgresql sql

Last synced: 28 Feb 2025

https://github.com/wtmcgrew/sql-credit-risk-analysis

Credit Risk Analysis using SQL & Excel – Approval trends by FICO, DTI, PTI, LTV, and delinquencies.

case-study credit-risk data-analysis financial-analysis loan-applications portfolio-project sql sqlite underwriting

Last synced: 04 Jul 2025

https://github.com/animesshhh/Brick-Mortar-Business-Sales-Insights

This repo leverages SQL & Power BI to unlock sales insights & monitor target profit for a brick-and-mortar business.

data-analytics dax mysql powerbi sql sql-server

Last synced: 11 Mar 2025

https://github.com/sour-abh-raj/beginning-to-end-software-engineering-preparations-in-general

This is an ongoing repository of placements preparations in software engineering field from beginner to advanced level.

dsa dsa-learning-series dsa-practice dsa-questions mysql sql

Last synced: 16 May 2026

https://github.com/satvikpraveen/rsvp_case_study

A comprehensive IMDB dataset analysis using SQL. Includes database setup, advanced queries, and actionable insights. Organized with files for database creation, queries, and solutions. Features an Entity-Relationship Diagram (ERD), executive summary, and SQL scripts. Perfect for SQL workflows and business intelligence in the film industry.

aggregate-functions business-intelligence common-table-expressions data-analysis data-driven-decisions data-querying database-design entity-relationship-diagram imdb-dataset relational-database sql subqueries-and-joins

Last synced: 11 Jan 2026

https://github.com/devendracollage/sql-practice

This is for SQL Practice

sql sqlserver

Last synced: 26 Oct 2025

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/muzamilofficial/ai-inventory-management-django-python

Looking for a complete inventory solution that not only simplifies stock management but also keeps you and your stakeholders informed? Look no further!

admin-dashboard artificial-intelligence django jupyter-notebook machine-learning modern-ui-ux nlp python smtp sql ui-ux-design web-application

Last synced: 25 Mar 2025

https://github.com/enyaude/integrated-project-maji-ndogo-part-2

Explore Maji Ndogo's water quality analysis project, where a detailed 60,000-record database is used to identify pollution hotspots and guide intervention strategies. Leveraging Python, MySQL, and Jupyter Notebook, this project uncovers patterns and addresses environmental issues, driven by the call for data-driven solutions by President Naledi.

jupyter-notebook mysql mysql-database python sql

Last synced: 07 Jan 2026

https://github.com/nemeslaszlo/benco-and-cramhead-study-cases

This repository contains my solutions for Benco and Cramhead study cases in hungarian language, using Oracle SQL and PL/SQL. (Oracle SQL Developer)

oracle-database oracle-sql-developer plsql sql

Last synced: 25 Feb 2026

https://github.com/rikiitokazu/dataprojects

Data analysis practice using SQL and Python

data python sql web-scraping

Last synced: 12 Apr 2026

https://github.com/jdrodas/powerrangersdb

Dominio de Problema y scripts de implementación de un modelo de datos para el curso introductorio de bases de datos relacionado con el universo de los Power Rangers

entity-relationship-diagram normalization sql

Last synced: 07 Jan 2026

https://github.com/hivesolutions/migratore

SQL based migration system with migration management

database migrations mysql sql

Last synced: 07 Jan 2026

https://github.com/luis-domingues/challenge-ecommerce-schema

This project was developed as part of a challenge proposed by DIO in which the objective is to create a conceptual database for an e-commerce system

challenge dio mysql relational-databases sql sql-server

Last synced: 26 Feb 2026

https://github.com/gowri-malla216/expense-tracker

A full-stack expense tracking application built using C# .NET Core (ASP.NET MVC) and JavaScript with CSHTML & Syncfusion Charts. It allows users to track expenses, manage categories, analyze spending trends, and visualize financial data using interactive charts.

csharp cshtml donet-core entity-framework-core restful-api sql

Last synced: 16 Mar 2025

https://github.com/nilusche/laragon-setup

Guide to setup Laragon for Web Development

laragon laravel pdf php redis sql

Last synced: 06 May 2026

https://github.com/karayamanemre/vet-clinic

Database example of a vet-clinic.

database sql

Last synced: 07 Apr 2025

https://github.com/shridhar1504/loan-classification-datascience-project

This project uses machine learning algorithms to predict the classification of loan status. The dataset is loaded and some transformation is done using SQL for getting a proper dataset with some valid informations.

classification data-analysis data-cleaning data-science data-visualization eda loan-prediction loan-status machine-learning predictive-modeling sql supervised-learning

Last synced: 09 Apr 2025

https://github.com/muhammed-fazal/student-success-and-early-intervention-analytics-system

To consolidate scattered student performance records into a unified Data Warehouse in SQL Server. Engineer an Interactive Power BI dashboards that visualize academic trends, identifying student performance and implement predictive analytics.

analysis analytics dashboard data data-analysis data-engineering data-science data-visualization database etl etl-pipeline power-bi powerbi python sql sql-server

Last synced: 29 May 2026

https://github.com/akshpraj/students-performance

analyze student performance data with SQL and then visualize it in Power BI. My goal is to make the data clear and actionable, helping educators and students make informed decisions.

mysql power-bi powerpoint sql

Last synced: 29 May 2026

https://github.com/nikunjk9/system-performance-monitoring-and-visualization

A comprehensive solution designed to monitor and visualize system performance metrics in real-time. Technologies used are Python, SQL, Power BI.

monitoring performance powerbi python sql

Last synced: 16 Mar 2025

https://github.com/sambitos23/react-sql-editor

A web-based application capable of running SQL queries and displaying the results of said query.

react-ace react-csv react-hot-toast reactjs sql tailwindcss

Last synced: 25 Jun 2025

https://github.com/idakrech/balkan-quiz

Java-based CLI quiz app using MySQL – created for OOP exam at Kristiania University College.

cli java object-oriented-programming oop quiz sql

Last synced: 12 Jun 2025

https://github.com/space-lumps/oroboro-dw-dbt

This project builds a clean, BI‑ready table user_base in BigQuery

analytics-engineering bigquery business-intelligence ci-cd data-mart data-modeling dbt elt gcp geospatial jinja metabase sql yaml

Last synced: 04 Sep 2025

https://github.com/pokhiii/wc-queries

Beautiful queries for WooCommerce.

action-scheduler sql woocommerce woocommerce-subscription

Last synced: 30 Jan 2026

https://github.com/munyabelden/vet-clinic

This a database called Vet Clinic about animals. Contains animal names, date of birth, etc. Built with SQL

postgresql sql

Last synced: 03 Apr 2025

https://github.com/munyabelden/database_from_diagram

This is a SQL database about a hospital, containing patients data. Built with SQL , PostgreSQL

postgresql sql

Last synced: 03 Apr 2025

https://github.com/abhishekpsonawane07/sql_digital_music_store-data

SQL based project on Digital Music store, Solved 3 Sets of questions Ranging from Easy, Medium and Advance.

pg postgre sql

Last synced: 07 Jan 2026

https://github.com/NpgsqlRest/pgmigrations

Lightweight, Zero-Dependency, PostgreSQL Tool for Node.js and NPM.

javascript migrations nodejs postgresql schema sql testing

Last synced: 27 Oct 2025

https://github.com/ifrankxue/project_sql_job_data_analyst

Project following the tutorial course created by Luke Barousse, who is an amazing data instructor.

git github postgresql sql sqlite sqlserver vscode

Last synced: 11 Mar 2026

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/asirialwis/event-management-system

A robust Event Management System using React (Frontend) and .NET (Backend), with MS SQL as the database.

asp-net-core csharp dotnet ef-core ef-core-migrations mvc-architecture reactjs rest-api sql sql-server web-api

Last synced: 11 Apr 2026

https://github.com/mstovarh/inflacion-en-colombia-2010-2018

En este repositorio se encuentra el análisis descriptivo que le realizamos a los datos de la inflación en Colombia desde el 2010 hasta octubre de 2023.

dax powerbi powerquery sql

Last synced: 23 Jan 2026

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/skm0626/algorithm

Solving at least one question every day!

algorithms boj cpp python sql

Last synced: 15 Apr 2026

https://github.com/iantomasinicola/indici-sql-server

Estrarre informazioni sugli indici di SQL Server

database indexdb sql sql-server

Last synced: 11 Mar 2026

https://github.com/riddhi2025/fees_management_system

Web-based application using Flask, SQL

css flask-application flask-restful html js python sql

Last synced: 12 Apr 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/sultanbadri/sql-zoo

SQL practice with SQL zoo exercises.

query sql sql-zoo

Last synced: 23 Jan 2026

https://github.com/harsh-arora-4114/e-commerce-data-analysis

Built and analyzed a relational database to derive insights on sales, customer behavior, and product performance. Used advanced SQL queries for data aggregation, trend analysis, and inventory monitoring. Strengthened skills in data visualization through queries and business reporting.

data-analysis-via-sql-queries relational-databases sql sql-data-visualization

Last synced: 03 Feb 2026

https://github.com/umairali254/lms_web-app_in_php

LMS site in PHP(JS/Ajax) with MIT license. Data is also included in database folder. You can use this application freely :)

api bootstrap css html javascript json mysql mysql-database php sql

Last synced: 12 Apr 2026

https://github.com/sandipmaurya2611/rail-pass-management-system-using-php-and-mysql

This repository contains a Customer Relationship Management (CRM) system generated using PHP, CSS, and MySQL. The CRM system is designed to help businesses manage their interactions with current and potential customers, track leads, and streamline sales processes.

css my php sql

Last synced: 12 Apr 2026

https://github.com/zainea-bogdan/data_engineer_project_wowcinema

WoWCinema is a project based on a fictional scenario where I stepped into the role of a Data Engineer, designing and building an end-to-end Data Infrastructure. A ETL pipeline ingests data from multiple sources, transforms it, and loads it into a centralized PostgreSQL data warehouse to power analytics, KPI tracking, and reporting

analytics big-data data datawarehousing etl-pipeline postgres python sql

Last synced: 19 May 2026

https://github.com/rachit1084/sql-practice-ankit-bansal

Personal SQL problem-solving practice based on Ankit Bansal's YouTube series, with logic-driven solutions for analyst prep.

analytics data-analysis data-analyst interview-preparation logical-reasoning postgresql sql sql-practice

Last synced: 04 Jul 2025

https://github.com/mraskends/poetystorage

A C# WinForms application for storing and reading poetry. Includes user login, registration, and customizable settings. Users and poems stored in a MySQL database. Built as a university coursework project.

csharp database desktop-app login-system mysql sql university windows-forms winforms

Last synced: 12 Apr 2026

https://github.com/soy-katsito/kassova

En Kassova, apoyamos a nuevos emprendedores, especialmente jóvenes, brindándoles las herramientas y conocimientos esenciales para gestionar sus proyectos con éxito.

css html js mysql php pos sql

Last synced: 12 Apr 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

https://github.com/harshjuly12/leetcode-pt.2

Solving 2-5 LeetCode problems daily pt.2

bash cpp java-8 python3 sql

Last synced: 12 Apr 2026

https://github.com/exbotanical/coalesce

Highly performant implementation of SQL `COALESCE` for JavaScript. Return the first value that is not null or undefined.

coalesce helper-functions micro-library sql validation-library

Last synced: 16 Oct 2025

https://github.com/vbalalian/littlefield

Combined web-scraping, loading, and reporting tool for Littlefield simulation, built for use with Google Cloud Run functions and Google Cloud Scheduler

bigquery cloud-functions extraction google-cloud-platform littlefield-simulation-game loading python reporting sql webscraping

Last synced: 14 May 2026

https://github.com/fadilxcoder/mariadb-mysql

MariaDB / MySQL

database php sql

Last synced: 15 Apr 2026

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

SQL 고득점 Kit 풀이

mysql sql

Last synced: 27 Oct 2025

https://github.com/sayed-ashfaq/target-sql

In this project, I analyzed Target company's data using SQL in BigQuery, focusing on data extraction, manipulation, and performing various analytical queries to derive insights.

aggregation bigquery cte joins sql

Last synced: 09 Apr 2025

https://github.com/enescidem/form-db-system

A student management system on Microsoft SQL Server, managing data with basic SQL queries as well as advanced techniques like INNER JOIN, LEFT JOIN, Stored Procedures and Triggers.

csharp database database-management mssql-database sql sqlserver

Last synced: 05 May 2026

https://github.com/vikasutf8/inventory_management_dashboard

this webpage for inverntory managment of any store with scable amount of data and users with admin access and deloped with aws service

aws-ec2 express nextjs14 node postgress rdsa s3 sql

Last synced: 24 Jan 2026

https://github.com/nikolatechie/spotify-playlist

Data pipeline that fetches recently played songs in the past 24 hours using Spotify API and saves the data in the SQLite database. Scheduled to run daily using Apache Airflow.

apache-airflow api data data-engineering python spotify sql sqlite

Last synced: 30 Apr 2026

https://github.com/andresilmor/airline-database

Introduction Project to the development of a SQL/Relational Database, using MySQL. From the Model Design till the implementation and test information insertion.

conceptual-model database first-timers mysql-database relational-databases sql sqlserver university university-project

Last synced: 22 Mar 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/mina-faridi/database-project

Final project of database course, Dr Momtazi (fall 2020)

amirkabir database library-database mysql sql

Last synced: 17 May 2026

https://github.com/rawat9/leetcode

Solutions to Leetcode problems

java leetcode python3 sql

Last synced: 11 Mar 2026

https://github.com/an4pdm/esquema-conceitual-para-banco-de-dados

Projeto feito para o bootcamp DIO "Formação SQL Database Specialist".

banco-de-dados entidade-relacionamento modelo-conceitual mysql sql sqlworkbench

Last synced: 01 Jun 2026