N+1 Queries

Learn what N+1 queries are and how they affect our application.

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The N+1 query problem happens when our code executes N additional query statements to fetch the same data that could have been retrieved when executing the primary query. N+1 requests are an issue that can have a significant impact on the performance of an application. This phenomenon often occurs when using an ORMObject-relational mapping (ORM) is a programming technique in which a metadata descriptor is used to connect object code to a relational database. because it automatically generates SQL queries for us. This handy tool is double-edged, though, because it can cause a large number of SQL queries.

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