CQRS in Practice

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Vladimir Khorikov

4:21:45

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1. Course Overview

1. Course Overview.mp4

01:34

2. Introduction

1. Introduction.mp4

03:29

2. CQRS and Its Origins.mp4

05:30

3. Why CQRS.mp4

03:38

4. CQRS in the Real World.mp4

01:31

5. Summary.mp4

01:28

3. Introducing a Sample Project

1. Introduction.mp4

00:19

2. Problem Domain Introduction.mp4

05:56

3. Application Code Introduction.mp4

11:30

4. Application Code Drawbacks.mp4

08:24

5. Summary.mp4

01:31

4. Refactoring Towards a Task-based Interface

1. Introduction.mp4

00:20

2. CRUD-based Interface.mp4

07:26

3. Task-based Interface.mp4

01:48

4. Untangling the Update Method.mp4

08:30

5. Recap - Untangling the Update Method.mp4

03:25

6. Task-based User Interface.mp4

02:33

7. Dealing with Create and Delete Methods.mp4

04:34

8. Summary.mp4

03:42

05. Segregating Commands and Queries

01. Introduction.mp4

00:45

02. Introducing a First Command.mp4

11:30

03. Commands in CQS vs. Commands in CQRS.mp4

02:47

04. Commands and Queries in CQRS.mp4

04:40

05. Commands and Queries in the Onion Architecture.mp4

04:21

06. Commands vs. DTOs.mp4

03:58

07. Leveraging ASP.NET Core Dependency Injection to Resolve Handlers.mp4

05:17

08. Introducing a Query.mp4

06:43

09. Finishing up the Refactoring.mp4

04:40

10. Recap - Introducing Commands and Queries.mp4

03:32

11. Summary.mp4

04:27

06. Implementing Decorators upon Command and Query Handlers

01. Introduction.mp4

00:32

02. New Requirement - Database Retries.mp4

02:47

03. Introducing a Database Retry Decorator.mp4

08:33

04. Decorator Pattern.mp4

03:23

05. Introducing Another Decorator.mp4

02:24

06. Streamlining the Decorator Configuration.mp4

07:15

07. Recap - Streamlining the Decorator Configuration.mp4

01:28

08. Decorators vs. ASP.NET Middleware.mp4

05:26

09. Command and Query Handlers Best Practices.mp4

04:00

10. Summary.mp4

02:31

7. Simplifying the Read Model

1. Introduction.mp4

00:54

2. The State of the Read Model.mp4

05:07

3. Separation of the Domain Model.mp4

05:00

4. Simplifying the Read Model.mp4

04:12

5. Recap - Simplifying the Read Model.mp4

06:39

6. The Read Model and the Onion Architecture.mp4

02:25

7. Summary.mp4

02:05

8. Introducing a Separate Database for Queries

1. Introduction.mp4

00:16

2. Meet Scalability.mp4

05:01

3. Separation at the Data Level in the Real World.mp4

02:06

4. Designing a Database for Queries.mp4

03:10

5. Creating a Database for Queries.mp4

04:03

6. Recap - Creating a Database for Queries.mp4

01:59

7. Scalability.mp4

01:54

8. A Word of Caution Regarding the Database for Reads.mp4

01:57

9. Summary.mp4

02:48

9. Synchronizing the Commands and Queries Databases

1. Introduction.mp4

00:20

2. State-driven Projections.mp4

06:35

3. Synchronous State-driven Projections.mp4

03:04

4. Event-driven Projections.mp4

02:46

5. Consistency.mp4

03:40

6. Eventual Consistency.mp4

04:17

7. Versioning.mp4

01:50

8. CQRS and the CAP Theorem.mp4

03:22

9. Summary.mp4

02:15

10. CQRS Best Practices and Misconceptions

1. Introduction.mp4

00:15

2. CQRS and Event Sourcing.mp4

02:17

3. Evolutionary Design.mp4

01:58

4. Using Commands and Queries from Handlers.mp4

03:51

5. One-way Commands.mp4

01:54

6. CQRS vs. the Specification Pattern.mp4

02:46

7. Resource List.mp4

00:58

8. Course Summary.mp4

01:54

Description

There are a lot of misconceptions around the CQRS pattern. This course is an in-depth guideline into every concern or implementation question you've ever had about CQRS.

What You'll Learn?

There are a lot of misconceptions around the CQRS pattern, especially when it comes to applying it in real-world software projects. In this course, CQRS in Practice, you will learn all about CQRS with event sourcing, database configuration for reads and writes, and more. First, you will learn exactly what CQRS is, the principles behind it, and the benefits it can provide for your project. Next, you will explore the common misconceptions and anti-patterns around CQRS. Finally, you will see a detailed, step-by-step implementation of this pattern in practice. The sample project you'll be working on is close to what you will find in the real world, and you will see each step on the way to CQRS in great detail. By the end of this course, you will have a foundational understanding of the CQRS pattern and how to implement it in your software projects.

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Design Pattern

Vladimir Khorikov

Instructor's Courses

Vladimir Khorikov is the author of the book Unit Testing Principles, Practices, and Patterns: https://amzn.to/2QXS2ch He has been professionally involved in software development for over 15 years, including mentoring teams on the ins and outs of unit testing. He's also the founder of the Enterprise Craftsmanship blog, where he reaches 500 thousand software developers yearly. He started as an adviser on general programming topics, but lately has shifted his focus to unit testing with a central message of teaching software developers how to make unit testing painless.

Pluralsight

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Pluralsight, LLC is an American privately held online education company that offers a variety of video training courses for software developers, IT administrators, and creative professionals through its website. Founded in 2004 by Aaron Skonnard, Keith Brown, Fritz Onion, and Bill Williams, the company has its headquarters in Farmington, Utah. As of July 2018, it uses more than 1,400 subject-matter experts as authors, and offers more than 7,000 courses in its catalog. Since first moving its courses online in 2007, the company has expanded, developing a full enterprise platform, and adding skills assessment modules.