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The implementation is, but the concept is transferable. Pretty much the same for most concepts in programming.

• exdsq 5y ago
  SQL is far more useful to learn than any one ORM or even the general concept of am ORM.
• loevborg 5y ago
  ORMs are language-specific, but the insight to avoid ORMs for the rest of your life because of impedance mismatch is general and deep.