API Testing · Middle · Question 45 of 75

What is the N+1 problem in an API?

1One endpoint returns one item more than expected
2One version of the API has one more field than the next
3One request triggers a query per item, making it slow

Show the answer

Correct answer: One request triggers a query per item, making it slow

Explanation

A list of 100 orders with 100 extra queries for customers is slow. Testers notice it by response time growing with list size.

Further reading

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