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What is a POCO class?

Q: What is a POCO class?

Short answer: POCO (Plain Old CLR Object) is a simple class without any dependency on EF Core or any base class. EF Core uses POCOs as entities for data modeling. Real-world example (ShopNest) ShopNest’s order service uses EF Core to save an Order and its line items in one SaveChangesAsync() call inside a transaction. Say this in the interview Define — one clear sentence (the short answer above). Example — relate it to a project like ShopNest or your real work. Trade-off — when you would not use it.

Short answer: POCO (Plain Old CLR Object) is a simple class without any dependency on EF Core or any base class. EF Core uses POCOs as entities for data modeling.

Real-world example (ShopNest)

ShopNest’s order service uses EF Core to save an Order and its line items in one SaveChangesAsync() call inside a transaction.

Say this in the interview

Define — one clear sentence (the short answer above).
Example — relate it to a project like ShopNest or your real work.
Trade-off — when you would not use it.

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