Instruction: Discuss strategies to make Django applications easily adaptable to different database systems.
Context: The candidate should explain how to write database-agnostic Django applications that can be migrated across various database platforms with minimal changes.
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Firstly, I always make use of Django's built-in Object-Relational Mapping (ORM). This abstraction layer enables me to interact with the database through Python objects, rather than writing database-specific SQL queries. By doing so, I ensure that my application is not tightly coupled with any particular database's syntax or features. This ORM approach is fundamental in achieving database portability, as it allows Django to handle the differences between SQL dialects internally.
Additionally, I am meticulous about avoiding the use of raw SQL queries or database-specific features whenever possible. While Django's ORM is powerful, there might be rare instances where raw SQL seems necessary for performance reasons. In such cases, I evaluate the necessity and explore ORM alternatives, like custom...