What is the significance of N+1 query problem in SQL and ORM contexts?

Explanation

The N+1 query problem in SQL and ORM contexts refers to executing 1 query to fetch a list and then N additional queries to fetch related data for each item, instead of using a JOIN or eager loading. This can lead to performance issues and unnecessary database calls.

Key points

N+1 query problem involves multiple queries for related data
Using JOIN or eager loading can prevent this issue
Efficiency is compromised when N+1 queries are executed

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