What are the advantages of using a data mapper?
Data mappers help separate the database layer from the application logic, making code cleaner and easier to maintain.
Can you explain how it improves maintainability?
By decoupling the database structure from the application, changes in the database schema require minimal changes in the code.
Are there any performance drawbacks?
While data mappers can introduce some overhead, the benefits in maintainability and flexibility often outweigh the performance costs.
What are some popular data mapper libraries?
Some popular data mapper libraries include Doctrine for PHP, Hibernate for Java, and Entity Framework for .NET.
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