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Mechanisms for fetching associated entity data from relational databases.
Distinguishing note: Focuses on the strategy of fetching related data, distinct from general query execution.
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TypeORM is an object-relational mapper for TypeScript and JavaScript that bridges the gap between object-oriented application code and relational database tables. It provides a comprehensive data persistence layer that allows developers to define database entities using class decorators or configuration objects, enabling seamless interaction with data through object-oriented patterns. The project distinguishes itself through a flexible architecture that supports both the data mapper and repository patterns, alongside a fluent query builder that translates high-level method calls into platform
TypeORM retrieves related entity data automatically during the initial database query, simplifying access to relationships and preventing the n+1 query problem.