What are the differences between Data Mapper and Active Record?
An example of an AI chatbot conversation about Data Mapper vs Active Record.
What are the differences between Data Mapper and Active Record?
Data Mapper and Active Record are both design patterns used in object-relational mapping (ORM). Active Record combines data access and business logic, while Data Mapper separates them.
Can you give me an example of when to use each pattern?
Sure! Use Active Record for simpler applications where quick development is key. Data Mapper is better for complex systems needing clear separation of concerns.
What are the pros and cons of each?
Active Record is easier to use and understand, but can lead to tightly coupled code. Data Mapper offers more flexibility and testability, but has a steeper learning curve.
Which one is more popular in modern web development?
Active Record is widely used in frameworks like Ruby on Rails, while Data Mapper is popular in more complex applications, especially with frameworks like Doctrine in PHP.
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