Interview
Can I reason about it under questioning?
- 1
Interview questions
Short questions on how queries are executed, such as plans and enforcers, SQL semantics, join algorithms, aggregation, sorting and deduplication, each with an answer you could give aloud and a link to the full explanation.
- 2
Scenarios
Longer problems on query execution, of the kind asked in senior interviews: each one estimated with numbers, diagnosed, and answered with its trade-offs.