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Paul D. Sheriff

This course teaches you how to use the LINQ syntax to select, filter, extract, partition, identify, union, join, group, and aggregate data contained within collections.

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This course teaches you how to use the LINQ syntax to select, filter, extract, partition, identify, union, join, group, and aggregate data contained within collections.

LINQ can filter and extract data from collections much more efficiently and with less code. In this course, C# 9 Language-Integrated Query (LINQ), you’ll learn over 60 LINQ queries using C#. First, you’ll explore why you should use LINQ, how to select, order, filter and extract data using LINQ queries. Next, you’ll discover how to use LINQ queries to work with multiple collections, group and aggregate data. Finally, you’ll learn what goes on under the hood with LINQ queries by understanding deferred execution. When you’re finished with this course, you’ll have the skills and knowledge of LINQ needed to query data efficiently and with less code from any collection of data.

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What's inside

Syllabus

Course Overview
Why You Should Use LINQ
Using LINQ Select and Order Operations
Extract Data Using Filtering and Element Operations
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Extract Distinct Values, Assign Values and Partition Collections
Identify What Kind of Data Is Contained in Collections
Compare and Union Two Collections
Joining Two Collections Together
Creating Groups of Data Using GroupBy
Aggregating Data in Collections
Understanding Deferred Execution in LINQ

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Explores LINQ syntax for selecting, filtering, and aggregating data
Covers advanced operations like joining and grouping collections
Improves code efficiency by teaching more effective data manipulation techniques
Suitable for those seeking to enhance their data querying skills in C#
Provides a comprehensive overview of LINQ concepts and operations

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in C# 9 Language-Integrated Query (LINQ) with these activities:
Organize your course materials
Helps you stay organized and focused throughout the course by having all your materials in one place.
Show steps
  • Gather all your course materials, including notes, assignments, and quizzes.
  • Create a system for organizing and storing your materials.
  • Review your materials regularly to reinforce your learning.
Organize Class Materials
Stay organized and prepared for class by keeping your materials together.
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  • Create a digital or physical folder for course materials
  • Save and organize lecture notes, slides, and assignments
Review basic syntax
Helps you refresh your understanding of C# syntax, making it easier to follow along with the course material.
Show steps
  • Go over your notes from previous C# courses or tutorials.
  • Review online documentation or tutorials on C# syntax.
  • Complete practice exercises to test your understanding.
14 other activities
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Review LINQ Basics
Refresh your memory before coming to class.
Browse courses on LINQ
Show steps
  • Go over the C# 9 Language-Integrated Query (LINQ) documentation
  • Review the course description and syllabus
Explore LINQ in C# Documentation
Review the official C# documentation on LINQ to gain a comprehensive understanding of its capabilities and best practices.
Browse courses on LINQ
Show steps
  • Go to the C# documentation website and search for 'LINQ'.
  • Read through the 'Language Integrated Query (LINQ)' page.
  • Explore the reference pages for specific LINQ operators.
Explore LINQ with Online Tutorials
Expand your knowledge of LINQ with additional resources.
Show steps
  • Follow tutorials on LINQ from reputable sources
  • Explore LINQ documentation and examples
Participate in a LINQ study group
Encourages collaboration and knowledge-sharing, helping you learn from and support other students.
Browse courses on LINQ
Show steps
  • Find or start a study group focused on LINQ.
  • Meet regularly to discuss course material, work on problems together, and share knowledge.
  • Engage actively in discussions and contribute to the group's learning.
Complete LINQ Practice Exercises
Cement your understanding of LINQ syntax through practice.
Show steps
  • Work through the exercises provided in the course materials
  • Find additional LINQ practice problems online
Follow along with LINQ tutorials
Provides hands-on practice with LINQ, allowing you to apply the concepts you learn in the course.
Browse courses on LINQ
Show steps
  • Find online tutorials or courses that cover LINQ in C#.
  • Follow the instructions and complete the exercises in the tutorials.
  • Experiment with different LINQ queries to see how they work.
Participate in LINQ Study Group
Collaborate with peers to enhance your understanding.
Show steps
  • Join or create a study group focused on LINQ
  • Discuss concepts, share resources, and work on problems together
Create a LINQ Code Example
Demonstrate your understanding of LINQ by creating your own code example
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  • Select a specific LINQ operation to implement
  • Write code that demonstrates the operation
  • Test and debug your code
Read 'CLR via C#' by Jeffrey Richter
Provides a deeper understanding of the Common Language Runtime (CLR), which is essential for effective use of LINQ.
Show steps
  • Purchase or borrow the book.
  • Read and study the relevant chapters on LINQ and the CLR.
  • Take notes and highlight important concepts.
Contribute to Open Source LINQ Projects
Deepen your knowledge and make a contribution to the community.
Show steps
  • Identify open source LINQ projects
  • Review the codebase and identify areas for contribution
  • Submit bug reports or code changes
Build a LINQ Codebase for a Real-World Project
Create a practical codebase that utilizes LINQ queries to solve a real-world problem, expanding your knowledge and solidifying your understanding.
Show steps
  • Identify a real-world problem or scenario that could benefit from LINQ queries.
  • Design a codebase that incorporates LINQ queries to address the problem.
  • Implement the codebase and test its functionality.
Solve LINQ coding challenges
Strengthens your problem-solving skills and deepens your understanding of LINQ's capabilities.
Browse courses on LINQ
Show steps
  • Find online coding challenges or practice problems that involve LINQ.
  • Try to solve the challenges on your own.
  • Review your solutions and identify areas for improvement.
Build a LINQ-based data analysis tool
Provides practical experience in applying LINQ to solve real-world data analysis problems.
Browse courses on LINQ
Show steps
  • Identify a data analysis problem that can be solved using LINQ.
  • Design and develop a C# application that uses LINQ to perform the analysis.
  • Test and refine your application to ensure accurate and efficient results.
Mentor a junior developer on LINQ
Solidifies your understanding of LINQ by explaining it to others and provides an opportunity to contribute to the community.
Browse courses on LINQ
Show steps
  • Identify a junior developer or student who wants to learn LINQ.
  • Provide guidance and support as they learn the basics of LINQ.
  • Answer their questions and help them troubleshoot any problems they encounter.

Career center

Learners who complete C# 9 Language-Integrated Query (LINQ) will develop knowledge and skills that may be useful to these careers:
Data Analyst
Data Analysts study data to uncover insights that can drive decision making and predict outcomes. This course is an excellent starting point for anyone looking to break into this field, as it covers all the essentials of data querying and analysis using LINQ. It will help you quickly become familiar with the techniques and tools that you'll need in the role.
Business Intelligence Analyst
Business Intelligence Analysts use their skills to gather, analyze, and interpret data, helping businesses to make better decisions. Prior knowledge of LINQ and other data querying tools will give you a significant advantage in this role, enabling you to analyze and leverage data with proficiency. This course was designed to equip you with the skills necessary to succeed as a Business Intelligence Analyst, providing a solid foundation for your career in this field.
Data Scientist
Data Scientists are the heroes of the tech world, using their skills to gather, analyze, and interpret data to solve complex business problems. If this sounds like your dream career, then this course can help you get there. It will provide the foundation you need to start working with data effectively, gaining a deep understanding of data querying and analysis techniques using LINQ.
Software Engineer
Software Engineers are responsible for the design, development, and maintenance of software. This course will provide you with the knowledge and skills in data querying that you need for the role. It will also help you stand out from other candidates by demonstrating your proficiency in this important skill.
Database Administrator
Database Administrators ensure that databases are running smoothly and efficiently. The ability to query and analyze data with LINQ can give you an advantage in this role, especially if you work with large datasets. This course will help you build the skills you need to become a successful Database Administrator in this data-driven age.
Data Engineer
Data Engineers design, build, and maintain data pipelines. This often involves working with large datasets and using a variety of data querying and analysis tools. This course will give you a solid foundation in these essential skills, making you a more competitive candidate for Data Engineer roles.
Quantitative Analyst
Quantitative Analysts combine their knowledge of mathematics and finance to analyze data and make predictions about financial markets. This course will be helpful for anyone looking to enter this field, as it provides a strong foundation in data querying and analysis using LINQ. It will also give you a competitive edge when applying for Quantitative Analyst roles.
Market Researcher
Market Researchers gather and analyze data to understand consumer behavior and market trends. This course will be useful for anyone looking to enter this field, as it provides a solid foundation in data querying and analysis using LINQ. It will also give you a competitive edge when applying for Market Researcher roles.
Actuary
Actuaries use mathematics and statistics to analyze risk and uncertainty. This course will be helpful for anyone looking to enter this field, as it provides a strong foundation in data querying and analysis using LINQ. It will also give you a competitive edge when applying for Actuary roles.
Financial Analyst
Financial Analysts use data to make recommendations about investments and financial decisions. This course will be helpful for anyone looking to enter this field, as it provides a solid foundation in data querying and analysis using LINQ. It will also give you a competitive edge when applying for Financial Analyst roles.
Operations Research Analyst
Operations Research Analysts use data to improve the efficiency of operations. This course will be helpful for anyone looking to enter this field, as it provides a solid foundation in data querying and analysis using LINQ. It will also give you a competitive edge when applying for Operations Research Analyst roles.
Statistician
Statisticians collect, analyze, and interpret data to provide insights into trends and patterns. This course will be helpful for anyone looking to enter this field, as it provides a solid foundation in data querying and analysis using LINQ. It will also give you a competitive edge when applying for Statistician roles.
Epidemiologist
Epidemiologists study the causes and distribution of diseases and injuries. This course will be helpful for anyone looking to enter this field, as it provides a solid foundation in data querying and analysis using LINQ. It will also give you a competitive edge when applying for Epidemiologist roles.
Data Journalist
Data Journalists use data to tell stories and communicate complex information to the public. This course will be helpful for anyone looking to enter this field, as it provides a solid foundation in data querying and analysis using LINQ. It will also give you a competitive edge when applying for Data Journalist roles.
UX Researcher
UX Researchers study how users interact with products and services in order to improve the user experience. This course will be helpful for anyone looking to enter this field, as it provides a solid foundation in data querying and analysis using LINQ. It will also give you a competitive edge when applying for UX Researcher roles.

Reading list

We've selected six books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in C# 9 Language-Integrated Query (LINQ).
Quick reference to the LINQ syntax. It great resource for developers who want to have a quick overview of the LINQ syntax.
Comprehensive guide to the C# language. It covers a wide range of topics, from basic concepts to advanced techniques. It great resource for developers who want to learn more about C#.
Comprehensive guide to the Common Language Runtime (CLR). It covers a wide range of topics, from basic concepts to advanced techniques. It great resource for developers who want to learn more about the CLR.
Beginner's guide to the C# language. It covers a wide range of topics, from basic concepts to advanced techniques. It great resource for developers who are new to C#.
Beginner's guide to the C# language. It covers a wide range of topics, from basic concepts to advanced techniques. It great resource for developers who are new to C#.
Is the definitive guide to the C# language. It covers a wide range of topics, from basic concepts to advanced techniques. It great resource for developers who want to learn more about C#.

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