Need more example and explanation on Memory leaks.

It will greatly help reading and understanding if specific examples for 3 scenarios of memory like are provided.

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#### Document Details

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* ID: fd35b912-445c-e801-7f70-de73839db80d
* Version Independent ID: e558a081-5397-1e3f-1d58-abea3f72cad6
* Content: [Client vs. Server Evaluation - EF Core](https://docs.microsoft.com/en-us/ef/core/querying/client-eval#feedback)
* Content Source: [entity-framework/core/querying/client-eval.md](https://github.com/aspnet/EntityFramework.Docs/blob/master/entity-framework/core/querying/client-eval.md)
* Product: **entity-framework**
* Technology: **entity-framework-core**
* GitHub Login: @smitpatel
* Microsoft Alias: **avickers**