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DJANGO EXAM; QUESTIONS AND ANSWERS
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DJANGO EXAM; QUESTIONS AND ANSWERS...
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DJANGO EXAM; QUESTIONS AND ANSWERS How to check version - ANSWER python -m django --version Setting Up a Virtual Environment - ANSWER python virtualenv your_project_name activate virtual environment - ANSWER ./scripts/activate.bat ./scripts/activate How to create a project - ANSWER django-admin start project my project site How to start development server - ANSWER python manage.py run server How to change server IP/Port - ANSWER python manage.py run server 0:8080 settings=mysite.setting How to create a "blog" application - ANSWER python manage.py start app blog In which .py file do you define the data model? - ANSWER open the models.py and define the data schema How to import the Model? - ANSWER django.db.models.Model Write database model for "Post" with "title" field - ANSWER class Post(models. Model): title = models.CharField(max_length=250) In settings.py which setting tells Django that applications are active f or this site - ANSWER INSTALLED_APPS How to add "blog" application to INSTALLED_APPS - ANS WER INSTALLED_APPS = [ 'blog.apps.BlogConfig', ] The BlogConfig class is your application configuration. How to create an initial migration for your database "blog" site - ANSWER python manage.py make migrations blog Which command takes the migration name and returns their SQL without execut ing - ANSWER python manage.py sqlmigrate blog 0001 After "python manage.py make migrations" which command should you run for changes to apply? - ANSWER python manage.py migrate To invoke the Python shell - ANSWER python manage.py shell Creating a Superuser syntax - ANSWER python manage.py createsuperuser In Metadata, Sort result by "publish" field in descending order - ANSW ER class Meta: ordering = '-publish' Add database "Students" model to administration site. - ANSWER fro m .models import Students admin.site.register(Students) Replace admin.site.register() with decorator function? - ANSWER @admin.register() write class with decorator and customize the administration side. Database is "Post" and field to display is 'title' and 'status' - ANSWER @admin.register(Post) class PostAdmin(admin.ModelAdmin): list_display = ('title', 'status') Which attribute allows you to set the field for your model to display on the administration object list page. - ANSWER list_display = () Which attribute display filter options on the administration page for fi lter the result. - ANSWER list_filter =() Attribute for Search Field on Administration page. - ANSWER search_fields = () Which attribute prepopulates the 'slug' filed with the input of 'ti tle' on the Administration page. - ANSWER prepopulate_fields = {'slug': ('title',)} Attribute for raw id - ANSWER raw_id_fields = ('author') Attribute for date hierarchy on Administration page - ANSWER date_hierarchy =() admin.ModelAdmin order class - ANSWER ordering =() How to create the record and write it into the database with single operation, u se grno(1), first_name(Munawar) field. - ANSWER Students.objects.create(grno=1, first_name='Munawar') Write QuerySet for "all_student=" to returns all objects from Students list. - ANSWER all_posts = Post.objects.all() How to filter a QuerySet on "Post" database to return record on field 'publish_ year' field for the year '2020' - ANSWER Post.objects.filter(publish__year=2020) How to use order by in QuerySet on "Post" object field should be 'title' - ANSWER Post.objects.order_by('title') how to delete record from the 'Post' database if record id is '1' - ANSWER any_variable = Post.objects.get(id=1) any_variable .delete() define default manager name? - ANSWER objects = models.Manager() Create model manager class "Students" where their 'status' is 'active' - ANSWER class StudentsManager(models.Manager):The benefits of buying summaries with Stuvia:
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