Given the following sequence of commands in production:

medium📝 component behavior Q13 of 15

Django - Deployment and Production

python manage.py makemigrations
python manage.py migrate

What will happen if a model field was renamed but the migration was not created before running migrate?

ANo changes will be applied to the database schema

BAn error will occur because migrate requires new migration files

CThe database schema will update correctly with the renamed field

DThe old field will be deleted automatically

Step-by-Step Solution

Solution:

Step 1: Understand migration dependency
migrate applies changes only if migration files exist. Without new migration files, no schema changes happen.
Step 2: Effect of missing migration files
If you rename a field but skip makemigrations, the database stays unchanged after migrate.
Final Answer:
No changes will be applied to the database schema -> Option A
Quick Check:
migrate needs migration files = C [OK]

Quick Trick: Always run makemigrations before migrate to apply changes [OK]

Common Mistakes:

MISTAKES

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