Multiple ChoiceIntermediate 30s
N+1 Queries
The N+1 query problem occurs when:
Options
- 1A single query returns N rows and needs no further queries
- 2One query fetches N rows, then N more queries fetch each row's relations
- 3A table has N indexes that slow down every insert and update
- 4A join fetches all of the related rows for every record in one round trip
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