django on_delete cascade code example

Example 1: on_delete=models.cascade

on_delete=models.CASCADE will delete anything created by the admin if
the admin user is deleted.

Example 2: on delete cascade

CREATE TABLE child_table
(
  column1 datatype [ NULL | NOT NULL ],
  column2 datatype [ NULL | NOT NULL ],
  ...

  CONSTRAINT fk_name
    FOREIGN KEY (child_col1, child_col2, ... child_col_n)
    REFERENCES parent_table (parent_col1, parent_col2, ... parent_col_n)
    ON DELETE CASCADE
    [ ON UPDATE { NO ACTION | CASCADE | SET NULL | SET DEFAULT } ] 
);

Example 3: on_delete django options

HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "count": 0,
    "next": null,
    "previous": null,
    "results": []
}