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/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/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/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.
Last synced: 27 Jan 2026
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/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/ziyue-pan/sqlino
Tiny SQL system supporting partially compatible operations with MySQL. With user-friendly console interface and execution result display.
Last synced: 18 Apr 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/rafie-b/data-analytics
Activities of Data Analysis.
apache-spark api aws business-analytics data data-analytics data-science database dataframe jupyter-notebook python scikit-learn sql
Last synced: 14 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/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/ssanthosh010303/d15c2
Day-15 Challenge-2: Database Schema for a Video Store
Last synced: 19 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/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.
Last synced: 15 Oct 2025
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/regulatory-reporting-mart
Warehouse-style reporting mart for docket readiness, evidence packets, and deadline pressure.
agpl analytics kinetic-gain regulatory-reporting sql warehouse
Last synced: 01 Jun 2026
https://github.com/fab2bprog/exemple-utilisation-csharp-avec-mysql
Exemple C# avec base de données mysql : Servira au developpement de votre application. Classes CRUD. Fonctions de recherche etc...
base-de-donnees crud crud-application crud-sample csharp csharp-code database exemple howto-tutorial mariadb mariadb-database mysql sql tutorial
Last synced: 13 Apr 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/cabosmanuel/idat-5-hp2
Copia proyectos semanales (Curso: Herramientas de Programación 2)
csharp entity-framework shopping-cart sql store-procedures view-design visual-studio wcf webapi
Last synced: 16 Oct 2025
https://github.com/cradlephp/storm
A Search Collection Model Kind of SQL Client
cradle cradlephp mysql mysql-5-7 orm orm-framework postgresql sql sqlite3 storm v2 v3-prototype
Last synced: 16 Oct 2025
https://github.com/alexgenovese/machine-learning-bigquery-gcp
These SQL are based on available ecommerce dataset that has millions of Google Analytics records for the Google Merchandise Store loaded into BigQuery.
bigquery google google-cloud-platform purchase sql visitors
Last synced: 16 Oct 2025
https://github.com/awcodify/tx
Simple example to database transaction with golang
commit go golang rollback sql transaction
Last synced: 17 Oct 2025
https://github.com/bell-kevin/chap9exer
Website with Backend Database Hooked-Up
mariadb mariadb-database mariadb-server php phpmyadmin sql xampp xampp-server
Last synced: 27 Jan 2026
https://github.com/vaxdata22/city-weather-and-s3file-rds-s3-bigquery-etl-by-airflow-on-ec2
This is my third AWS Cloud ETL project. This data pipeline orchestration uses Apache Airflow on AWS EC2. It demonstrates how to build an ETL data pipeline that would perform data extraction to a database in parallel to a loading process into the same database, join the tables, copy joined data to S3 and finally copy the S3 file to BigQuery DW.
apache-airflow aws-ec2 aws-rds-postgres aws-s3 bigquery business-intelligence dags data-warehousing etl-pipeline openweathermap-api orchestration python3 sql
Last synced: 21 May 2026
https://github.com/scottgriv/sql-mssql_openjson_example
An example query that demonstrates how to use the OPENJSON function in Microsoft SQL Server.
database json microsoft-sql-server microsoft-sql-server-management-studio microsoft-sqlserver-database mssql mssql-database mssql-server open-json openjson sql sql-server sql-server-database stack-overflow stack-overflow-answers stackoverflow stackoverflow-answer
Last synced: 14 Mar 2026
https://github.com/sistemasvox/projeto-integrador-banco-de-dados-2
Scripts SQL para o Projeto Integrador de Banco de Dados 2, incluindo estruturas de dados e testes.
Last synced: 22 Feb 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/yuriibalandiuk/technological_practice
Technological practice assignments
airflow docker docker-compose jupyter-notebook pandas postgresql psycopg2 python3 sql
Last synced: 19 Apr 2026
https://github.com/rameswar-balaji/state_wise_cpi_analysis
Consumer Price Index (CPI) Analysis System 📌 Overview This project analyzes and visualizes Consumer Price Index (CPI) data for Indian states and Union Territories, providing insights into inflation trends and economic changes over time.
css dbms html5 javascript mysql php sql
Last synced: 08 May 2026
https://github.com/belkinmix/sql-project---queries-and-data-modeling
A project from my university - I wrote business level SQL queries and developed an ER Model & remodeled a database.
data-modeling database database-schema datamodeling hackolade mysql sql
Last synced: 27 Jan 2026
https://github.com/syuvraj19/dbs-assignments
This repository contains Advanced Database Services assignments from Seneca College's DBS211 & DBS311 courses.
database database-management dbms dbms-lab sql sql-server
Last synced: 19 Apr 2026
https://github.com/shani-kumar-gupta/bookmyshow-airtribe
Problem Solving Case: Bookmyshow
database dbms mysql normalization sql
Last synced: 18 Apr 2026
https://github.com/fahadfoysal/inventory_management_system
An Inventory_management_system web application on Django framework. Features: User Authentication, CRUD, Inventory Search. Remaining product quantity. Category, Dashboard and many more. Tech Stack: Python, Django, SQLite, HTML, CSS.
Last synced: 07 May 2026
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/marianmeres/data-to-sql-params
A helper function for extracting and converting data objects to various helper lists useful for programmatically creating SQL statements.
Last synced: 27 Jan 2026
https://github.com/nikeshcohen/project-management-system
A Project Management System built in Java and MySQL. Users can create new projects and assign people to said projects, to a relational database.
Last synced: 18 Oct 2025
https://github.com/abdelrahmantaymour/problem-solving
algorithms cpp data-structures database database-management filesystem mssqlserver opp sql
Last synced: 14 Mar 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/qlishell/sql-the-practical-guide
If you work in data, you’ll write SQL queries all the time. So how do you write efficient SQL queries that are optimized for performance
Last synced: 18 May 2026
https://github.com/talhamirzaa/medsearch
A Prototype/Demo Website for Online Medicine Search and Purchase System.
html-css-javascript php phpmyadmin sql
Last synced: 01 Jun 2026
https://github.com/daihseven/pda
Repositório voltado às atividades realizadas no curso Desenvolvimento Full Stack do Programadores do Amanhã, contendo atividades em sala, extras e projetos solos e em equipe.
backend banco-de-dados desenvolvimento-web front-end full-stack full-stack-web-development html-css javascript nextjs nodejs postgresql reactjs sql typescript
Last synced: 14 Mar 2026
https://github.com/jumail-wm/quiet-attic-films
ESOFT assignment project. Using C# programming
csharp database mssql-database sql
Last synced: 14 Mar 2026
https://github.com/aima98/vet-clinic
Vet Clinic is a Data management system for a Vet Clinic. It inserts animals details into a central database, retrieve them, edit and update them or even delete any unwanted information. The data is managed through PostgreSQL Server.
Last synced: 19 Oct 2025
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.
Last synced: 19 Oct 2025
https://github.com/mstovarh/analisis_de_canciones_de-spotify-m-s-repoducidas-en-2023-
En este repositorio se encuentra el análisis descriptivo que le realicé sobre las visualizaciones de las canciones más escuchadas de Spotify en 2023.
Last synced: 23 Jan 2026
https://github.com/karolinacodes/lighthousebnb
An application built for Database Design, ERD Creation & SQL Practice
Last synced: 16 Apr 2026
https://github.com/yulia-momotyuk/dla-data-analysis-practice
This repository contains my homework assignments completed during the "Data Analyst in IT" course at Data Loves Academy.
analytics data-analysis data-visualization excel mysql numpy pandas postgres powerbi python seaborn sql tableau
Last synced: 14 Apr 2026
https://github.com/youssefali11997/book-store-system
Designed a MySQL relational database for a book store and implemented an application utilizing the database. Customer could make a pur- chase and track his purchases. Manager could add, remove, delete, modify books, order more books from a publisher and view reports about the store.
database java javafx mysql sql transaction-processing
Last synced: 14 Apr 2026
https://github.com/leosimoes/hackerrank-sql
HackerRank's SQL Challenges.
ms-sql-server mysql sql sql-server
Last synced: 15 Mar 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.
Last synced: 15 Mar 2026
https://github.com/youssefali11997/sql-challenges-solutions
My Solutions to Database Challenges in SQL from various online judges : HackerRank, LeetCode and others
hackerrank-solutions leetcode-solutions sql
Last synced: 27 Jan 2026
https://github.com/mariacarolinass/exercicios-sql
Exercícios básicos de SQL utilizando o MySQL
Last synced: 20 Oct 2025
https://github.com/ashwin331133/sql-pizza-outlet-sales-analysis
This project analyzes pizza sales data to gain insights into customer behavior and revenue patterns. Key analyses include customer insights, popular pizza types and sizes, revenue generation, and order trends. The findings help optimize menu offerings, staffing, and marketing strategies to boost overall business performance.
Last synced: 24 Feb 2026
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/huyngo171099/inside-airbnb-milan
This project provides Milan's government officials with insights into the distribution of short-term Airbnb rentals across the city's popular neighborhoods. The goal is to inform policy that could help mitigate Milan's housing crisis by reducing the prevalence of short-term rentals, thus making housing more affordable for residents.
apache-airflow docker-compose pgadmin4 postgresql python sql
Last synced: 23 Jan 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.
Last synced: 01 Jun 2026
https://github.com/ashu3291/music-store-analysis
Data Analysis for Digital Music Store using SQL
beginner-friendly-project portfolio-project sql sql-server sqlproject
Last synced: 15 Mar 2026
https://github.com/valyauw/lodgings-app
Example Lodgings Admin CMS + Showcase Web Application
Last synced: 21 Jun 2026
https://github.com/srodriguezamarillo/mundotrade
Proyecto SQL de gestión de equipamiento y enlaces a Internet para la empresa de logística "Mundo Trade". Implementa técnicas avanzadas de SQL para garantizar la integridad y eficiencia del sistema y la correcta administración de datos.
data-integrity database-management equipment-management logistics optimization sql sql-functions stored-procedures triggers views
Last synced: 23 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/refactorful/migrata-cli-releases
Public releases and installation scripts for the Migrata CLI, the stress-free way to manage database schema migrations.
automation cli database devops infrastructure-as-code migrations schema-management sql
Last synced: 14 Apr 2026
https://github.com/athari22/analyzing-the-yelp-dataset
SQL for Data Science
analytics data data-science data-structures er sql
Last synced: 27 Jan 2026
https://github.com/luccaalves/atividades_logica_programacao_estruturada
Atividades de Lógica de Programação Estruturada em PHP (Variáveis, Variáveis em Array, Métodos de Envio de Dados POST e GET, Laço de Repetição, Operadores Lógicos e Relacionais, Arquivos de Função, Programação Orientada a Objeto, Calculadoras, e Formulários).
css3 html5 mysql php php7 php8 sql
Last synced: 15 Mar 2026
https://github.com/shubhamsoni98/prediction-with-binomial-logistic-regression
To predict client subscription to term deposits and optimize marketing strategies by identifying potential subscribers.
binomial data data-science eda machine-learning matplotlib pipeline python scikit-learn seaborn sklearn sql visualization
Last synced: 06 Feb 2026
https://github.com/vidyavarshini17/sql-solutions-hackerrank-basic
Hackerrank SQL Basic Solutions
hackerrank-basics hackerrank-solutions hackerrank-sql-solutions sql
Last synced: 28 Jan 2026
https://github.com/aopandey/5nf-counts-of-bushels-project
SQL Project about monitoring Indiana's soybean and corn harvests
5nf azure-data-studio microsoft-sql-server sql
Last synced: 15 Mar 2026
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.
Last synced: 06 Feb 2026
https://github.com/tools4ever-nim/nim-system-powershell-microsoft-sql
Microsoft SQL Server
microsoft powershell sql system
Last synced: 23 Oct 2025
https://github.com/kowshikreddy97/dominick-s-finer-foods---retail-business
Dominick's Finer Foods is a retail business located in Chicago. DFF has 100+ stores and 25+ product categories. DFF wants to improve their business by understanding their stores and products performance. I created a data warehouse and pulled valuable insights which are key for DFF growth. Check it out!
analytics etl sql sqlserver-2019 ssis
Last synced: 23 Oct 2025
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/sugumarsrinivasan/sql-datawarehouse-project
Building Mordern datawarehouse with SQL Server, including ETL Processes, data modeling, and data analytics.
data-analysis data-analytics data-engineering data-lake data-science data-warehouse datawarehousing etl etl-pipeline medallion-architecture sql sql-query sql-server
Last synced: 19 Jun 2026
https://github.com/theng23/e-commerce-website-performance-analysis-sql
Using Bigquery base on Google Analytics dataset to analyze E-commerce Website
Last synced: 24 Oct 2025
https://github.com/torrentelinux/osqlinux
Biblioteca de clases en Java para la conectividad a base de datos alojadas en servidores con SQL.
connectivity jar java java-classes jdbc linux-app netbeans-ide sql
Last synced: 29 Apr 2026
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/adhirajcs/dbms_college_assignments
My DBMS lab College Assignments.
college-assignment dbms oracle-database oracle-sql-developer pl-sql sql
Last synced: 23 Jan 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
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/iletai/fachat
FAChat
application csharp packets socket socketio sql
Last synced: 25 Oct 2025
https://github.com/lagenorhynque/tree-representations-in-rdb
Tree representation models in RDB
mysql relational-database sql tree-structure
Last synced: 25 Oct 2025
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/sanchezluys/departamentos_municipios_colombia_postgresql
Listado de departamentos y sus respectivos municipios. Colombia
colombia geografia postgresql sql
Last synced: 07 Jul 2026
https://github.com/khangtran85/user-behavior-analysis-for-ecommerce
A SQL project analyzing eCommerce data to uncover insights on traffic, customer behavior, and purchasing patterns. Covers key metrics like visits, transactions, and conversion rates, providing data-driven support for optimizing revenue and user experience.
bigquery ga-session google-analytics-sample publicdata sql
Last synced: 21 Feb 2026
https://github.com/fou1100ouacus/databaseanalysis-design
ERD & Schema
entity erdiagram relational-databases schema sql
Last synced: 23 Jan 2026
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/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/arsalanazadkhah/nashville-housing
Nashville Housing Analysis Using SQL
Last synced: 23 Jan 2026
