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SQL

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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.

Here are 1,938 public repositories matching this topic...

Kangaroo is a AI-powered SQL client and admin tool for popular databases(MariaDB / MySQL / Oracle / PostgreSQL / Redis / SQLite / SQLServer / ...) on Windows / MacOS / Linux, support table design, query, model, sync, export/import etc, focus on comfortable, fun and developer friendly.

  • Updated Jul 31, 2025
  • TSQL

The most comprehensive SQL guide from a real-world expert! Learn everything from basics to advanced queries, optimizations, and real-world SQL

  • Updated May 7, 2025
  • TSQL

This repository contains a collection of SQL scripts demonstrating various analytical techniques, such as changes over time, cumulative, performance, data segmentation, part-to-whole analysis.

  • Updated Mar 26, 2025
  • TSQL
Microsoft-AdventureWorks-Database-Analysis-Visualization-with-PowerBI

I chose 'AdventureWorksLT2019.bak' and 'AdventureWorksLT2017.bak' data for analysis & visualization. The query editing was done in 'Microsoft SQL Server Management Studio' and the visualization part was using 'Microsoft Power BI'. Also for analysis, I used MS Excel and PowerBI's query tool.

  • Updated Apr 22, 2023
  • TSQL

Created by Donald D. Chamberlin, Raymond F. Boyce

Released 1986

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