Moderate EF Core Question 91 of 215

What is a shadow property?

.NET / C# · Speak this in 60–90 seconds · Faridabad & Delhi NCR

PICTURE THIS: DOM IS A TREE

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Simple meaning

A field EF maps that does not exist on your CLR type, like UpdatedAt.

1

WHY — EF Core instead of guessing?

Why interviewers care about EF Core:

EF Core questions separate

people who only read docs from people who shipped.

Keep it short, concrete,

and tied to .NET work.

Stay structured

Name the idea, why it exists, then one short example.

Close cleanly

End with when you use it and one common pitfall.

2

STEPS — What happens step by step?

Before you speak the answer, walk the interviewer through these steps:

  1. 1
    A field EF maps

    that does not exist on your CLR type, like UpdatedAt.

  2. 2
    Why it exists

    Useful for infrastructure concerns.

  3. 3
    I expose it when

    the domain needs it.

  4. 4
    Give an example

    One tiny concrete case you can say aloud.

  5. 5
    Common mistake

    What juniors usually get wrong.

  6. 6
    Close

    When you pick this over the alternative.

3

EXAMPLE — See it in action

Here's a short line you can speak, broken into clear beats:

Say this line
“Useful for infrastructure concerns.”
Break into beats
Usefulforinfrastructureconcerns
Speaking order
29874083374716

Note: Adapt this scaffold to your own project — keep it under 60–90 seconds.

Key takeaway

A field EF maps that does not exist on your CLR type, like UpdatedAt. Useful for infrastructure concerns.

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