Model Meta class options in Django - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to set the database table name for the model.

Django

class Product(models.Model):
    name = models.CharField(max_length=100)

    class Meta:
        db_table = [1]

Drag options to blanks, or click blank then click option'

A"products"

B"Product"

C"product_table"

D"productName"

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting quotes around the table name

Using the model class name instead of a string

The db_table option sets the exact database table name. Here, "product_table" is the correct table name string.

2fill in blank

medium

Complete the code to order the model records by the 'created' field descending.

Django

class Article(models.Model):
    title = models.CharField(max_length=200)
    created = models.DateTimeField()

    class Meta:
        ordering = [[1]]

Drag options to blanks, or click blank then click option'

A"created"

B"-created"

C"+created"

D"created.desc"

Attempts:

3 left

💡 Hint

Common Mistakes

Using '+created' which is invalid

Using 'created.desc' which is not recognized

To order descending by a field, prefix the field name with a minus sign inside the ordering list.

3fill in blank

hard

Fix the error in the Meta class to make the model abstract.

Django

class BaseModel(models.Model):
    created = models.DateTimeField(auto_now_add=True)

    class Meta:
        [1] = True

Drag options to blanks, or click blank then click option'

Aabstract

Babstract_model

Cis_abstract

Dabstract_base

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect option names like 'abstract_model'

Forgetting to set it to True

The correct Meta option to make a model abstract is abstract = True.

4fill in blank

hard

Fill both blanks to set the verbose name and plural verbose name for the model.

Django

class Customer(models.Model):
    name = models.CharField(max_length=100)

    class Meta:
        verbose_name = [1]
        verbose_name_plural = [2]

Drag options to blanks, or click blank then click option'

A"client"

B"clients"

C"customer"

D"customers"

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping singular and plural values

Using incorrect strings that don't match the model meaning

verbose_name is the singular name, and verbose_name_plural is the plural form used in admin and elsewhere.

5fill in blank

hard

Fill all three blanks to create a unique constraint on 'email' and 'username' fields with a custom name.

Django

class UserProfile(models.Model):
    email = models.EmailField()
    username = models.CharField(max_length=50)

    class Meta:
        constraints = [
            models.UniqueConstraint(fields=[[1], [2]], name=[3])
        ]

Drag options to blanks, or click blank then click option'

A"email"

B"username"

C"unique_email_username"

D"user_unique"

Attempts:

3 left

💡 Hint

Common Mistakes

Using field names without quotes

Using an invalid constraint name

The UniqueConstraint requires a list of field names and a name string for the constraint.