Skip to content

Learn

All CoursesBrowse the full catalog of expert-led courses
WorkshopsDeep-dive workshops from industry experts

AI-Powered

Learning PathsNewA personal path to your goal, built by AI
AI AgentLearn with an AI agent on every lesson
MCP ServerBring Dometrain into your AI coding tools
Mock InterviewsNewPractice real interviews with an AI interviewer

Trending now

Dometrain ProAll courses. One subscription.Every course and workshop replay, plus the AI-powered tools.Explore Pro

Community

LeaderboardSee how you rank against fellow learners
ReviewsWhat developers say about our courses
Customer StoriesHow real teams level up with Dometrain
ChangelogSee what's new and improved at Dometrain

Content

BlogsArticles and deep dives from our authors
AuthorsMeet the engineers behind the courses

Partners

AffiliatesEarn by sharing Dometrain with your audience
Dometrain for BusinessTraining and team management for companies

SkillScoreNew Dometrain Pro

Shopping Basket

Your basket is empty

Business Portal

LINQ in .NET

4h 9m

From Zero to Hero

Progress0%

0 / 52 lessons4h 8m left

Course overview(0/3)

WelcomeFree Preview35s What will you learn in this course?Free Preview34s Who is the course for and prerequisitesFree Preview32s

Introduction to LINQ(0/5)

Why do we have LINQ?5m 36s A language for querying data2m 2s A first LINQ example5m 21s Why would you want to use LINQ?3m 34s Section recap37s

Filtering & ordering(0/8)

Introduction to our demo solution3m 5s Using a simple where clause4m 29s Refactoring statements into functions3m 45s Chaining multiple where clauses3m 18s Ordering data4m 0s Multi-level ordering3m 24s Using a custom comparer to order2m 56s Section recap54s

Getting results from queries(0/5)

What is deferred execution in LINQ?9m 33s Retrieving all results9m 48s Retrieving a single item10m 40s Projecting the data to another shape11m 22s Section recap43s

Dealing with partial results(0/5)

Introduction to getting partial results2m 57s Splitting results into chunks6m 20s Using Skip, Take and TakeWhile to retrieve a specific result7m 30s Dividing results into logical parts with GroupBy7m 30s Section recap55s

Figuring out what's in the results(0/7)

Introduction2m 0s Removing duplicates3m 10s Checking for a single item3m 9s Verifying all items4m 10s Using aggregate functions9m 51s Checking if 2 sequences are equal2m 51s Section recap39s

Combining the results of 2 queries(0/6)

Introduction1m 26s Concatenate two results1m 50s Set operations on queries with the same type10m 2s Exploding a subquery with SelectMany7m 0s Join operations between 2 results25m 25s Section recap42s

How LINQ works and what to use it for(0/6)

Introduction1m 2s IQueryable vs IEnumerable4m 38s What can we write LINQ against?3m 48s Making some IEnumerable methods ourselves9m 7s IQueryable behind the scenes10m 47s Section recap1m 12s

Running operations in parallel(0/5)

Why would we want to parallelize our queries?2m 26s Introduction to PLINQ14m 19s Things to consider when using PLINQ6m 47s Potential pitfalls7m 44s Section recap58s

Course conclusion(0/2)

Conclusion1m 24s Rate this course

0 matches found

Loading transcript

No transcript available for this lesson.

Sign in to take notes

Timestamped notes are saved to your account and grouped by lesson here, so you can jump back to any moment of the course.

Get Your Certificate

Checking if 2 sequences are equal

Figuring out what's in the results

Watch 50% of the video to earn XP

Sign in to watch this course

Already a Dometrain Member?

or

New to Dometrain?

Next Lesson

Section recap

Complete to earn+100 XP

+0 XP

+20 to next Gem

1 day streak!

Level up!

Streak saved!

Lesson Complete!

+0 XP

+20 to next Gem

Streak started!

Level 1!

Freeze earned!

Up next:Section recap

Lesson Notes

Read this lesson

Loading content...

Unable to load content. Please try again.

Upgrade to Dometrain Pro

Get unlimited access to this video and all other courses on Dometrain with a Pro subscription.

Unlimited access to all courses
New courses added regularly
Certificates of completion

Get Dometrain Pro

Where today's experts teach tomorrow's

Learn

Courses Learning Paths Workshops

Community

Blog Authors Reviews Customer Stories Changelog

Business

Dometrain Pro Business Portal Affiliates

Support

Contact Terms of Use Privacy Policy

© 2026 Dometrain. All rights reserved.

What's New