SQLAlchemy quiz

Test your SQLAlchemy knowledge with a free interactive quiz — 23 questions with answers and explanations. No signup needed to play.

What does an `engine` represent in SQLAlchemy?

1. What does an `engine` represent in SQLAlchemy?
2. What is `Base.metadata.create_all(engine)` used for?
3. What is a `Session` in SQLAlchemy?
4. What is SQLAlchemy?
5. How do you add a new row and save it to the database?
6. What is a SQLAlchemy "model" (declarative class)?
7. How do you eagerly load a related object/collection instead of lazily fetching it on access?
8. What is a `ForeignKey` used for?
9. What is a relationship (`relationship()`) used for?
10. What is the difference between SQLAlchemy Core and the ORM?
11. What does `unique=True` on a Column do?
12. What is a database transaction, in the context of a SQLAlchemy session?

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