Search tutorials

Matching courses (5)

SQL Server Tutorial

Learn SQL Server the simple way — SELECT, JOIN, and real queries you can run today.

ADO.NET Core Tutorial

100-article data access master path — SqlConnection, stored procedures, transactions, performance, and enterprise projects.

MySQL Tutorial

Learn MySQL with short lessons and runnable SQL examples.

Oracle SQL Tutorial

Learn Oracle SQL with simple lessons and practical examples.

PostgreSQL Tutorial

Learn PostgreSQL step by step — SQL, JSONB, and queries for modern apps.

Lessons (2145)

The Saga Pattern: Orchestration vs Choreography
Microservices & Event-Driven Architecture (EDA) Mastery · 4. Distributed Transactions & Resiliency
.NET
Unit of Work Pattern with EF Core
Entity Framework Core Tutorial · Module 6: Advanced EF Core
Unit of Work Pattern with EF Core: free step-by-step lesson with examples, common mistakes, and interview tips — part of…
.NET
Heap — Complete Guide
Data Structures and Algorithms in C# · Module 6: Trees
Heap — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of Data Struct…
DSA
Controller Refactoring — Complete Guide
SOLID Design Principles Tutorial · Module 8: Refactoring and Clean Code
Controller Refactoring — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — p…
.NET
Any in LINQ — Complete Guide
LINQ Tutorial · Module 5: Advanced LINQ
Any in LINQ — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of LINQ…
.NET
Frequency Counting — Complete Guide
Data Structures and Algorithms in C# · Module 5: Hashing
Frequency Counting — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part …
DSA
Dictionary in C# — Complete Guide
Data Structures and Algorithms in C# · Module 5: Hashing
Dictionary in C# — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of…
DSA
When NOT to Use Design Patterns — Complete Guide
Design Patterns in C# · Module 8: Interview & System Design
When NOT to Use Design Patterns — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview…
.NET
Queue — Complete Guide
Data Structures and Algorithms in C# · Module 4: Stacks & Queues
Queue — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of Data Struc…
DSA
Pattern vs Anti-Pattern — Complete Guide
Design Patterns in C# · Module 8: Interview & System Design
Pattern vs Anti-Pattern — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — …
.NET
Service Layer Refactoring — Complete Guide
SOLID Design Principles Tutorial · Module 8: Refactoring and Clean Code
Service Layer Refactoring — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips …
.NET
Any, All, Contains: The boolean quantifiers
LINQ Mastery · 3. Aggregation & Quantifiers
.NET
Introduction to Algorithms — Complete Guide
Data Structures and Algorithms in C# · Module 1: DSA Foundations
Introduction to Algorithms — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips…
DSA
Dependency Inversion Principle — Complete Guide
SOLID Design Principles Tutorial · Module 6: Dependency Inversion Principle (DIP)
Dependency Inversion Principle — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview …
.NET
Clean Architecture Pattern — Complete Guide
Design Patterns in C# · Module 7: ASP.NET Core Architecture Patterns
Clean Architecture Pattern — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips…
.NET
Dependency Injection Pattern (The Modern King)
Design Patterns Mastery · 5. Modern Enterprise & Cloud Patterns
.NET
Deploying APIs (Docker & Azure)
ASP.NET Core Web API · 8. Microservices & Deployment
.NET
DDD Basics with EF Core
Entity Framework Core Tutorial · Module 8: Enterprise Architecture
DDD Basics with EF Core: free step-by-step lesson with examples, common mistakes, and interview tips — part of Entity Fr…
.NET
Azure Cache for Redis: Managed memory performance
Microsoft Azure Mastery for .NET Architects · 3. Azure Databases
Cloud
SRP Interview Questions — Complete Guide
SOLID Design Principles Tutorial · Module 2: Single Responsibility Principle (SRP)
SRP Interview Questions — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — …
.NET
Toolliyo Assistant
Ask about tutorials, ebooks, training, pricing, mentor services, and support. I use public site content only—not admin or internal tools.

care@toolliyo.com

Need callback? Share your details