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What is a DbContext?

Q: What is a DbContext?

Short answer: DbContext is the primary class for interacting with the database in EF Core. Explain a bit more It: Manages database connections Tracks changes to entities Provides methods for querying and saving data Configures models and relationships DbContext is the primary class for interacting with the database in EF Core. It: Manages database connections Tracks changes to entities Provides methods for querying and saving data Configures models and relationships Real-world example (ShopNest) ShopNest registers AppDbContext as scoped. One HTTP request = one context. Never inject it as a singleton. 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: DbContext is the primary class for interacting with the database in EF Core.

Explain a bit more

It: Manages database connections Tracks changes to entities Provides methods for querying and saving data Configures models and relationships DbContext is the primary class for interacting with the database in EF Core. It: Manages database connections Tracks changes to entities Provides methods for querying and saving data Configures models and relationships

Real-world example (ShopNest)

ShopNest registers AppDbContext as scoped. One HTTP request = one context. Never inject it as a singleton.

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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