Constrains

It ensures that values in the field are unique across the database table.

It creates a composite unique constraint with another field.

It is used for indexing the field for faster queries.

It specifies that the field should be unique only within a Django session.

To enforce a unique constraint on a single field.

To define the unique naming convention for database tables.

To create a unique constraint on a combination of multiple fields.

To ensure uniqueness across different models.

It checks for the uniqueness of a field value in the database.

It allows for custom SQL checks to be defined on fields.

It verifies the data type of each field before saving it to the database.

It ensures that a field's value falls within a specified range or meets a certain condition.