SQL for Java Devs · interview question
How can you prevent the N+1 query problem when retrieving a list of orders with their customer details?
Multiple choiceMediumchapter-8-curatedpremiumsql-for-java-devsjoins
Answer and explanation
Correct answer
A. Use a single SQL query with a JOIN.
Why
Using a single SQL query with a JOIN allows you to load all necessary data at once, preventing multiple queries for each related object.
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