This app will give you real applications in the use of Entity Framework Core.

You will see the full source code of the demo. You will see how to use:
1.Get Entities List from Database in Lambda Expressions
2. Use Equal Operator in Lambda Expressions
3. Use Less Than Operator in Lambda Expressions
4. Use Less Than or Equal Operator in Lambda Expressions
5. Use Greater Than Operator in Lambda Expressions
6. Use Greater Than or Equal Operator in Lambda Expressions
7. And Clause in Lambda Expressions
8. Or Clause in Lambda Expressions
9. Between Clause in Lambda Expressions
10. Like Clause in Lambda Expressions
11. Sort in Lambda Expressions
12. Limit in Lambda Expressions
13. Find Entity by Primary Key in Lambda Expressions
14. Projection in Lambda Expressions
15. Sum in Lambda Expressions
16. Count in Lambda Expressions
17. Min and Max in Lambda Expressions
18. Avg in Lambda Expressions
19. DateTime in Lambda Expressions
20. Join in Lambda Expressions
21. Group By in Lambda Expressions
22. Having in Lambda Expressions
23. Insert Entity in RUD Operations
24. Update Entity in RUD Operations
25. Delete Entity in RUD Operations

You also see the results after the demo with the illustrations.

You can also copy the code in this app and use it on your project.