Database

Database Tutorials

SQL Server, T-SQL, schema design, and data access tutorials for application developers.

All tutorials
Database tutorials

What you will find here

Each course is divided into modules and lessons—introduction, walkthrough, code samples, real-world notes, and interview preparation—following a consistent structure across every technology track.

  • Free, step-by-step lessons
  • Stable SEO-friendly URLs
  • Syllabus page per course
  • Original content written for Toolliyo
All Levels

SQL Server Tutorial

T-SQL, schema design, indexes, and stored procedures for developers.

10 lessons · 12 views
Open course
All Levels

MySQL Tutorial

Install MySQL, write queries, and connect from .NET.

9 lessons · 12 views
Open course
Intermediate

MongoDB Tutorial

Document databases with MongoDB and the Node.js driver.

27 lessons · 27 views
Open course
Intermediate

Oracle SQL Tutorial

SQL and PL/SQL for Oracle Database developers.

12 lessons · 12 views
Open course
Intermediate

PostgreSQL Tutorial

Open-source relational database with advanced SQL.

12 lessons · 17 views
Open course