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: 2026-06-25 00:25:43 UTC
- JSON Representation
https://github.com/luiseduardofrias/back-end
Back-End Ars Afiliados
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Cleaned, performed EDA and stored data in MySQL. Queried, and analyzed data, uncovering opportunities to drive revenue growth and optimize operations, with a potential revenue growth of $30.03 million. Reported key insights using Power BI.
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This project contains SQL scripts to create and manage a database for an amusement park. The database is designed to store information about rides, visitors, tickets, staff, facilities, maintenance records, ride reviews, ride assignments, ride entries, and visitor feedback.
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https://github.com/ewakamoto/01.-sql-projects
This is my collection of SQL Projects
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Simple page with back-end.
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Developed a Python and SQL data pipeline for an event ticketing system. Designed a MySQL table schema, ingested CSV sales data via Python connectors, and implemented queries to analyze ticket popularity and sales trends, showcasing ETL and database integration skills.
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An attempt to port Simon Willison's fantastic sqlite-utils to common lisp
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https://github.com/anav5704/learning-sql
Nothing much, just me learning SQL
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https://github.com/mtholahan/advanced-mysqlquery-tuning-mini-project
Analyzed EuroCup 2016 data with advanced SQL queries. Imported CSV datasets into MySQL, designed schema with match, player, and referee details, and implemented queries covering match outcomes, penalty shootouts, player stats, bookings, substitutions, and referee activity to explore tournament dynamics.
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Optimized PostgreSQL queries on a computer science publications dataset. Created tables, ingested CSVs, and wrote queries to analyze conferences, authors, and publication trends. Improved performance by designing indexes, refining join/filter logic, and evaluating execution plans with EXPLAIN, demonstrating query tuning and indexing strategies.
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Sample databases which I've found useful to play with
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Solutions for OracleSQL L1 🗄️✅
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Utilised SQL to design and implement a dynamic API using Jest and test-driven development to ensure code reliability.
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https://github.com/ndeta100/blog
A simple blog written in golang still in production and testing. It will be used to share my programming knowledge and other tech related topics
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Solutions from Databases course at AGH UST. If you use it and it helped you please leave a star ⭐
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The first part of a PostgreSQL student database developed by a tutorial and provided CSV files by FreeCodeCamp.
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https://github.com/losercodes/lazyydb
Introducing LazyDB, a lightweight, zero-setup JSON database with SQL-like queries, designed for rapid development. 🚀
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https://github.com/albertofaraujo/sql_eda_exercito2022
O objetivo desta análise exploratória é examinar e compreender as características demográficas e físicas dos cidadãos brasileiros alistados no Serviço Militar Obrigatório do ano de 2022
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https://github.com/davidecavestro/123table
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Here, you'll find a collection of SQL queries, scripts, and resources I've developed while learning and working with SQL. Dive in to explore databases, queries, and data manipulation techniques.
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SQLAlchemy is used to complete a climate analysis and data exploration of a climate database to help one plan a vacation trip. A Flask API is used to design a climate app. ORM queries, Pandas, and Matplotlib are also used to complete these tasks.
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https://github.com/mzayles/consultas-procedures_mysql
📘 Exercícios de SQL e procedimentos armazenados desenvolvidos em consultas com JOIN, GROUP BY, HAVING, WHERE e o uso de stored procedures.
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This repository contains my SQL learning journey, organized by YouTube playlists. Each folder represents a different channel and includes my code for specific topics I've studied, along with links to the playlists I've followed.
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https://github.com/sqlc-contrib/sqlc-gen-json
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FullStackOpen - Summer 2024
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PostgreSQL
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https://github.com/manoharvit/ecommerce-dive-deep-sales-analysis
In this project, we developed an ETL pipeline using Apache Airflow to process delivery data and track delayed shipments. The pipeline downloads data from an AWS S3 bucket, cleans it using Spark/Spark SQL to identify missing delivery deadlines, and uploads the cleaned dataset back to S3. This ensures efficient delivery performance tracking.
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🔍💡 Dive into Data Science with projects on diverse problem statements, leveraging Data Analysis, Machine Learning, Deep Learning, NLP, and Business Intelligence using Python! 🐍📊📈
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https://github.com/fazej99/pork-shop-website-
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GitHub portfolio + interactive resume | Showcasing data projects in civil rights (housing), cannabis, and analytics
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https://github.com/jawsee97/8-week-sql-challenge
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Discover technical details in data engineering through concise and clear explanations.
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