The materials of the free 30-hour SQL course: the databases for SQL Server, MySQL and PostgreSQL, every query of the 41 chapters, and the slides.
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Updated
Nov 6, 2026 - TSQL
The materials of the free 30-hour SQL course: the databases for SQL Server, MySQL and PostgreSQL, every query of the 41 chapters, and the slides.
Introduction to SQL Course
Introduction to SQL and Database Design
Step-by-step SQL tutorials and practical examples covering queries, constraints, transactions, and more. Ideal for beginners, interview prep, and anyone looking to master SQL—from basics to advanced.
SQL Practical Works Default Repository.
From Junior to Senior -- DBA
Free ZrozumSQL course: 169 PostgreSQL lessons on YouTube (Polish, English subtitles). Scripts and files used in the course.
แบบฝึกหัด T-SQL LAB02–LAB11 ประกอบหลักสูตร SQL Query (DataFabric-Academy) — sample database TSQL ดัดแปลงจาก TSQLV6
A comprehensive SQL & GenAI course: Master data engineering, SQL essentials, and AI-assisted workflows with hands-on, browser-based labs.
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