PYTHON

migrate data django

# Prepare migration using the latest model definitions
python manage.py makemigrations [app_name]

# Apply migrations for specified app using specified database connection (in settings.py)
python manage.py migrate [app_name] --database [database_name]

migrate data django

#record latest model before migration
python3 manage.py makemigrations [app_name]

#migrate to database
python3 manage.py migrate

# configure your database first before migrating default database will be sqlite3

django migrations

$ python manage.py makemigrations
$ python manage.py migrate

wht we need migrationts in django

Creating the database tables to store your Django models is the job of a 
database migration.

Migration is a way of applying changes that we have made to a model, 
into the database schema. 
Django creates a migration file inside the migration folder.

how to make migrations in models in django

In your activated python environment, run

$ python manage.py makemigrations

$ python manage.py migrate

django migrations

$ python manage.py makemigrations <application name>
Migrations for 'books':
  books/migrations/0003_auto.py:
    - Alter field author on book
    
$ python manage.py migrate
Operations to perform:
  Apply all migrations: books
Running migrations:
  Rendering model states... DONE
  Applying books.0003_auto... OK

migration django

$ python manage.py migrate
Operations to perform:
  Apply all migrations: books
Running migrations:
  Rendering model states... DONE
  Applying books.0003_auto... OK