🎓 Learn SQL effortlessly in your browser with QueryLab, featuring AI support and a zero-install PostgreSQL platform for all skill levels.

一套基于 MySQL 的 SQL 语句练习记录项目，包含建库建表、测试数据、基础查询、聚合统计、JOIN 连接查询、子查询、事务、视图、索引等练习内容，并给每条 SQL 运行结果展示了截图，方便系统学习和复盘。

Application Spring Boot (Java, JDBC, SQL Server) pour gérer des astronautes, projet d’apprentissage backend et base de données | Spring Boot app (Java, JDBC, SQL Server) for astronaut management, backend and database learning project

Structured learning/reference

Learn SQL in your browser with AI assistance. Zero installation, client-side PostgreSQL execution, and beautiful UI. Built with Next.js & PGlite.

An interactive visual tool that demonstrates how SQL queries traverse and combine data across related tables