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What does the Django ORM's F() expression allow?

  1. A Referencing a model field's database value directly within a query, avoiding a race condition
  2. B Filtering by foreign key
  3. C Formatting output values
  4. D Defining a custom field type
Answer

Referencing a model field's database value directly within a query, avoiding a race condition

F('views') + 1 performs the increment in the database atomically, rather than reading into Python and writing back, which can lose concurrent updates.

All Django MCQs

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