# Example 2 - "DVD Rentals" application

### Schema

This is a DVD Rentals example database schema from [PostgreSQL Tutorial](https://www.postgresqltutorial.com/postgresql-getting-started/postgresql-sample-database/).

There are 15 tables in the DVD Rental database:

* **actor** – stores actors data including first name and last name.
* **film** – stores film data such as title, release year, length, rating, etc.
* **film\_actor** – stores the relationships between films and actors.
* **category** – stores film’s categories data.
* **film\_category**- stores the relationships between films and categories.
* **store** – contains the store data including manager staff and address.
* **inventory** – stores inventory data.
* **rental** – stores rental data.
* **payment** – stores customer’s payments.
* **staff** – stores staff data.
* **customer** – stores customer data.
* **address** – stores address data for staff and customers
* **city** – stores city names.
* **country** – stores country names.

Here is the ERD of the sample DVD rentals database:

<figure><img src="https://3406482452-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FvzFLT4zSSU6J1uzbt5OF%2Fuploads%2FR6WjaAECIirZFs3Jzmiq%2Fdvd-rental-sample-database-diagram.png?alt=media&#x26;token=907bb134-36c9-4377-9eb4-85944dc488b5" alt=""><figcaption></figcaption></figure>

* This is the schema in the Neurelo Schema Language JSON Specification format

<details>

<summary>JSON Schema</summary>

```json
{
  "objects": {
    "actor": {
      "properties": {
        "actor_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        },
        "film_actor": {
          "type": "array",
          "items": {
            "$ref": "#/objects/film_actor"
          }
        },
        "first_name": {
          "type": "string",
          "sourceType": [
            "VarChar",
            45
          ]
        },
        "last_name": {
          "type": "string",
          "sourceType": [
            "VarChar",
            45
          ]
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        }
      },
      "constraints": [
        {
          "type": "index",
          "property": [
            "last_name"
          ],
          "sourceName": "idx_actor_last_name"
        }
      ]
    },
    "address": {
      "properties": {
        "address": {
          "type": "string",
          "sourceType": [
            "VarChar",
            50
          ]
        },
        "address2": {
          "type": "string",
          "sourceType": [
            "VarChar",
            50
          ],
          "nullable": true
        },
        "address_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        },
        "city": {
          "$ref": "#/objects/city",
          "relation": {
            "attrKey": [
              "city_id"
            ],
            "foreignAttrKey": [
              "city_id"
            ],
            "sourceName": "fk_address_city",
            "onUpdate": "NoAction",
            "onDelete": "NoAction"
          }
        },
        "city_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "customer": {
          "type": "array",
          "items": {
            "$ref": "#/objects/customer"
          }
        },
        "district": {
          "type": "string",
          "sourceType": [
            "VarChar",
            20
          ]
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        },
        "phone": {
          "type": "string",
          "sourceType": [
            "VarChar",
            20
          ]
        },
        "postal_code": {
          "type": "string",
          "sourceType": [
            "VarChar",
            10
          ],
          "nullable": true
        },
        "staff": {
          "type": "array",
          "items": {
            "$ref": "#/objects/staff"
          }
        },
        "store": {
          "type": "array",
          "items": {
            "$ref": "#/objects/store"
          }
        }
      },
      "constraints": [
        {
          "type": "index",
          "property": [
            "city_id"
          ],
          "sourceName": "idx_fk_city_id"
        }
      ]
    },
    "category": {
      "properties": {
        "category_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        },
        "film_category": {
          "type": "array",
          "items": {
            "$ref": "#/objects/film_category"
          }
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        },
        "name": {
          "type": "string",
          "sourceType": [
            "VarChar",
            25
          ]
        }
      }
    },
    "city": {
      "properties": {
        "address": {
          "type": "array",
          "items": {
            "$ref": "#/objects/address"
          }
        },
        "city": {
          "type": "string",
          "sourceType": [
            "VarChar",
            50
          ]
        },
        "city_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        },
        "country": {
          "$ref": "#/objects/country",
          "relation": {
            "attrKey": [
              "country_id"
            ],
            "foreignAttrKey": [
              "country_id"
            ],
            "sourceName": "fk_city",
            "onUpdate": "NoAction",
            "onDelete": "NoAction"
          }
        },
        "country_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        }
      },
      "constraints": [
        {
          "type": "index",
          "property": [
            "country_id"
          ],
          "sourceName": "idx_fk_country_id"
        }
      ]
    },
    "country": {
      "properties": {
        "city": {
          "type": "array",
          "items": {
            "$ref": "#/objects/city"
          }
        },
        "country": {
          "type": "string",
          "sourceType": [
            "VarChar",
            50
          ]
        },
        "country_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        }
      }
    },
    "customer": {
      "properties": {
        "active": {
          "type": "integer",
          "nullable": true
        },
        "activebool": {
          "type": "boolean",
          "default": {
            "value": true
          }
        },
        "address": {
          "$ref": "#/objects/address",
          "relation": {
            "attrKey": [
              "address_id"
            ],
            "foreignAttrKey": [
              "address_id"
            ]
          }
        },
        "address_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "create_date": {
          "type": "string",
          "format": "date",
          "sourceType": "Date",
          "default": {
            "function": "dbgenerated",
            "rawDbValue": "('now'::text)::date"
          }
        },
        "customer_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        },
        "email": {
          "type": "string",
          "sourceType": [
            "VarChar",
            50
          ],
          "nullable": true
        },
        "first_name": {
          "type": "string",
          "sourceType": [
            "VarChar",
            45
          ]
        },
        "last_name": {
          "type": "string",
          "sourceType": [
            "VarChar",
            45
          ]
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          },
          "nullable": true
        },
        "payment": {
          "type": "array",
          "items": {
            "$ref": "#/objects/payment"
          }
        },
        "rental": {
          "type": "array",
          "items": {
            "$ref": "#/objects/rental"
          }
        },
        "store_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        }
      },
      "constraints": [
        {
          "type": "index",
          "property": [
            "address_id"
          ],
          "sourceName": "idx_fk_address_id"
        },
        {
          "type": "index",
          "property": [
            "store_id"
          ],
          "sourceName": "idx_fk_store_id"
        },
        {
          "type": "index",
          "property": [
            "last_name"
          ],
          "sourceName": "idx_last_name"
        }
      ]
    },
    "film": {
      "properties": {
        "description": {
          "type": "string",
          "nullable": true
        },
        "film_actor": {
          "type": "array",
          "items": {
            "$ref": "#/objects/film_actor"
          }
        },
        "film_category": {
          "type": "array",
          "items": {
            "$ref": "#/objects/film_category"
          }
        },
        "film_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        },
        "inventory": {
          "type": "array",
          "items": {
            "$ref": "#/objects/inventory"
          }
        },
        "language": {
          "$ref": "#/objects/language",
          "relation": {
            "attrKey": [
              "language_id"
            ],
            "foreignAttrKey": [
              "language_id"
            ]
          }
        },
        "language_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        },
        "length": {
          "type": "integer",
          "sourceType": "SmallInt",
          "nullable": true
        },
        "rating": {
          "default": {
            "value": "G"
          },
          "nullable": true,
          "$ref": "#/enums/mpaa_rating"
        },
        "release_year": {
          "type": "integer",
          "nullable": true
        },
        "rental_duration": {
          "type": "integer",
          "sourceType": "SmallInt",
          "default": {
            "value": 3
          }
        },
        "rental_rate": {
          "type": "string",
          "format": "decimal",
          "sourceType": [
            "Decimal",
            4,
            2
          ],
          "default": {
            "value": "4.99"
          }
        },
        "replacement_cost": {
          "type": "string",
          "format": "decimal",
          "sourceType": [
            "Decimal",
            5,
            2
          ],
          "default": {
            "value": "19.99"
          }
        },
        "special_features": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "title": {
          "type": "string",
          "sourceType": [
            "VarChar",
            255
          ]
        }
      },
      "constraints": [
        {
          "type": "index",
          "property": [
            "language_id"
          ],
          "sourceName": "idx_fk_language_id"
        },
        {
          "type": "index",
          "property": [
            "title"
          ],
          "sourceName": "idx_title"
        }
      ]
    },
    "film_actor": {
      "properties": {
        "actor": {
          "$ref": "#/objects/actor",
          "relation": {
            "attrKey": [
              "actor_id"
            ],
            "foreignAttrKey": [
              "actor_id"
            ]
          }
        },
        "actor_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "film": {
          "$ref": "#/objects/film",
          "relation": {
            "attrKey": [
              "film_id"
            ],
            "foreignAttrKey": [
              "film_id"
            ]
          }
        },
        "film_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        }
      },
      "constraints": [
        {
          "type": "identifier",
          "property": [
            "actor_id",
            "film_id"
          ]
        },
        {
          "type": "index",
          "property": [
            "film_id"
          ],
          "sourceName": "idx_fk_film_id"
        }
      ]
    },
    "film_category": {
      "properties": {
        "category": {
          "$ref": "#/objects/category",
          "relation": {
            "attrKey": [
              "category_id"
            ],
            "foreignAttrKey": [
              "category_id"
            ]
          }
        },
        "category_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "film": {
          "$ref": "#/objects/film",
          "relation": {
            "attrKey": [
              "film_id"
            ],
            "foreignAttrKey": [
              "film_id"
            ]
          }
        },
        "film_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        }
      },
      "constraints": [
        {
          "type": "identifier",
          "property": [
            "film_id",
            "category_id"
          ]
        }
      ]
    },
    "inventory": {
      "properties": {
        "film": {
          "$ref": "#/objects/film",
          "relation": {
            "attrKey": [
              "film_id"
            ],
            "foreignAttrKey": [
              "film_id"
            ]
          }
        },
        "film_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "inventory_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        },
        "rental": {
          "type": "array",
          "items": {
            "$ref": "#/objects/rental"
          }
        },
        "store_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        }
      },
      "constraints": [
        {
          "type": "index",
          "property": [
            "store_id",
            "film_id"
          ],
          "sourceName": "idx_store_id_film_id"
        }
      ]
    },
    "language": {
      "properties": {
        "film": {
          "type": "array",
          "items": {
            "$ref": "#/objects/film"
          }
        },
        "language_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        },
        "name": {
          "type": "string",
          "sourceType": [
            "Char",
            20
          ]
        }
      }
    },
    "payment": {
      "properties": {
        "amount": {
          "type": "string",
          "format": "decimal",
          "sourceType": [
            "Decimal",
            5,
            2
          ]
        },
        "customer": {
          "$ref": "#/objects/customer",
          "relation": {
            "attrKey": [
              "customer_id"
            ],
            "foreignAttrKey": [
              "customer_id"
            ]
          }
        },
        "customer_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "payment_date": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ]
        },
        "payment_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        },
        "rental": {
          "$ref": "#/objects/rental",
          "relation": {
            "attrKey": [
              "rental_id"
            ],
            "foreignAttrKey": [
              "rental_id"
            ],
            "onDelete": "SetNull"
          }
        },
        "rental_id": {
          "type": "integer"
        },
        "staff": {
          "$ref": "#/objects/staff",
          "relation": {
            "attrKey": [
              "staff_id"
            ],
            "foreignAttrKey": [
              "staff_id"
            ]
          }
        },
        "staff_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        }
      },
      "constraints": [
        {
          "type": "index",
          "property": [
            "customer_id"
          ],
          "sourceName": "idx_fk_customer_id"
        },
        {
          "type": "index",
          "property": [
            "rental_id"
          ],
          "sourceName": "idx_fk_rental_id"
        },
        {
          "type": "index",
          "property": [
            "staff_id"
          ],
          "sourceName": "idx_fk_staff_id"
        }
      ]
    },
    "rental": {
      "properties": {
        "customer": {
          "$ref": "#/objects/customer",
          "relation": {
            "attrKey": [
              "customer_id"
            ],
            "foreignAttrKey": [
              "customer_id"
            ]
          }
        },
        "customer_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "inventory": {
          "$ref": "#/objects/inventory",
          "relation": {
            "attrKey": [
              "inventory_id"
            ],
            "foreignAttrKey": [
              "inventory_id"
            ]
          }
        },
        "inventory_id": {
          "type": "integer"
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        },
        "payment": {
          "type": "array",
          "items": {
            "$ref": "#/objects/payment"
          }
        },
        "rental_date": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ]
        },
        "rental_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        },
        "return_date": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "nullable": true
        },
        "staff": {
          "$ref": "#/objects/staff",
          "relation": {
            "attrKey": [
              "staff_id"
            ],
            "foreignAttrKey": [
              "staff_id"
            ],
            "sourceName": "rental_staff_id_key",
            "onUpdate": "NoAction",
            "onDelete": "NoAction"
          }
        },
        "staff_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        }
      },
      "constraints": [
        {
          "type": "index",
          "property": [
            "inventory_id"
          ],
          "sourceName": "idx_fk_inventory_id"
        },
        {
          "type": "unique",
          "property": [
            "rental_date",
            "inventory_id",
            "customer_id"
          ],
          "sourceName": "idx_unq_rental_rental_date_inventory_id_customer_id"
        }
      ]
    },
    "staff": {
      "properties": {
        "active": {
          "type": "boolean",
          "default": {
            "value": true
          }
        },
        "address": {
          "$ref": "#/objects/address",
          "relation": {
            "attrKey": [
              "address_id"
            ],
            "foreignAttrKey": [
              "address_id"
            ]
          }
        },
        "address_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "email": {
          "type": "string",
          "sourceType": [
            "VarChar",
            50
          ],
          "nullable": true
        },
        "first_name": {
          "type": "string",
          "sourceType": [
            "VarChar",
            45
          ]
        },
        "last_name": {
          "type": "string",
          "sourceType": [
            "VarChar",
            45
          ]
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        },
        "password": {
          "type": "string",
          "sourceType": [
            "VarChar",
            40
          ],
          "nullable": true
        },
        "payment": {
          "type": "array",
          "items": {
            "$ref": "#/objects/payment"
          }
        },
        "picture": {
          "type": "string",
          "format": "bytes",
          "nullable": true
        },
        "rental": {
          "type": "array",
          "items": {
            "$ref": "#/objects/rental"
          }
        },
        "staff_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        },
        "store": {
          "nullable": true,
          "$ref": "#/objects/store"
        },
        "store_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "username": {
          "type": "string",
          "sourceType": [
            "VarChar",
            16
          ]
        }
      }
    },
    "store": {
      "properties": {
        "address": {
          "$ref": "#/objects/address",
          "relation": {
            "attrKey": [
              "address_id"
            ],
            "foreignAttrKey": [
              "address_id"
            ]
          }
        },
        "address_id": {
          "type": "integer",
          "sourceType": "SmallInt"
        },
        "last_update": {
          "type": "string",
          "format": "date-time",
          "sourceType": [
            "Timestamp",
            6
          ],
          "default": {
            "function": "now"
          }
        },
        "manager_staff_id": {
          "type": "integer",
          "sourceType": "SmallInt",
          "unique": true
        },
        "staff": {
          "$ref": "#/objects/staff",
          "relation": {
            "attrKey": [
              "manager_staff_id"
            ],
            "foreignAttrKey": [
              "staff_id"
            ]
          }
        },
        "store_id": {
          "type": "integer",
          "default": {
            "function": "autoincrement"
          },
          "identifier": true
        }
      }
    }
  },
  "enums": {
    "mpaa_rating": [
      "G",
      "PG",
      "PG_13",
      "R",
      "NC_17"
    ]
  }
}
```

</details>

### <mark style="color:green;">GET</mark> endpoint examples

* Retrieve all actors

  ```json
  GET https://$ENV_API_URL/rest/actors
  ```
* Retrieve a specific actor by id

  ```json
  GET https://$ENV_API_URL/rest/actor/159
  ```

  or

  ```json
  GET https://$ENV_API_URL/rest/actor?filter={"actor_id":159}
  ```
* Retrieve a specific actor

  ```json
  GET https://$ENV_API_URL/rest/actor?filter={"first_name":"John", "last_name":"Wayne"}
  ```
* Retrieve 5 customers

  ```json
  GET https://$ENV_API_URL/rest/customer?take=5
  ```
* Retrieve all films and their actors

  ```json
  GET https://$ENV_API_URL/rest/film?select={"film_actor": {"actor":{"$scalars": true}}, "$scalars": true}
  ```
* Retrieve stores and their employees

  ```json
  GET https://$ENV_API_URL/rest/store?select={"staff":{"$scalars": true}, "$scalars": true}
  ```
* Retrieve rentals and films

  ```json
  GET https://$ENV_API_URL/rest/rental?select={"inventory":{"film": {"$scalars": true}}, "$scalars": true}&take=5
  ```
* Retrieve films by category

  ```json
  GET https://$ENV_API_URL/rest/category?select={"film_category":{"film": {"$scalars": true}}, "$scalars": true}&take=5
  ```
* Retrieve customers that have rented a movie after 2006-01-01

  ```json
  GET https://$ENV_API_URL/rest/category?select={"$scalars": true}&filter={"rental": {"some": {"rental_date": {"gte": "2006-01-01T00:00:00.000Z"}}}}
  ```
* Retrieve customers that have more than 35 rentals

  ```json
  GET https://$ENV_API_URL/rest/category?select={"customer_id": true}&aggregate={"_count": ["rental_id"]}&group_by=["customer_id"]&having={"rental_id": {"_count": {"gt": 35}}}
  ```
* Retrieve count of films in english by category

  ```json
  GET https://$ENV_API_URL/rest/category?select={"category_id": true}&filter={"film": {"language": {"name": {"contains": "English"}}}}&aggregate={"_count": ["film_id"]}&group_by=["category_id"]
  ```
* Get all films where (special features contains "Commentaries" OR length > 160) AND replacement cost > 29

  ```json
  GET https://$ENV_API_URL/rest/category?select={"$scalars": true}&filter={"OR": [{"special_features": {"has": "Commentaries"}}, {"length": {"gt": 160}}], "replacement_cost": {"gte": 29}}
  ```

### <mark style="color:blue;">POST</mark> endpoint examples

* Create a new actor

  ```json
  POST https://$ENV_API_URL/rest/actor

  {
          "content": "This is my first blog post",
          "title": "My first blog post"
  }
  ```
* Create multiple rentals

  ```json
  POST https://$ENV_API_URL/rest/rental

  [
      {
          "customer_id": 2,
          "inventory_id": 1,
          "rental_date": "2023-07-11T14:50:58.951Z",
          "staff_id": 1
      },
      {
          "customer_id": 524,
          "inventory_id": 2,
          "rental_date": "2023-07-11T14:50:58.951Z",
          "staff_id": 1
      }
  ]
  ```
* Create a film and related data

  ```json
  POST https://$ENV_API_URL/rest/film?select={"$scalars": true, "language": {"$scalars": true}, "film_category": {"category": {"$scalars": true}}, "film_actor": {"actor": {"$scalars": true}}}

  {
      "title": "Shrek 3",
      "language": {
          "connect": {
              "language_id": 2
          }
      },
      "film_category": {
          "create": {
              "category": {
                  "create": {
                      "name": "Swamp"
                  }
              }
          }
      },
      "film_actor": {
          "create": {
              "actor": {
                  "create": {
                      "first_name": "Prince",
                      "last_name": "Arthur"
                  }
              }
          }
      }
  }
  ```

### <mark style="color:purple;">PATCH</mark> endpoint examples

* Update a film

  ```json
  PATCH https://$ENV_API_URL/rest/film/1001?select={"film_actor": {"actor":{"$scalars": true}}, "$scalars": true}

  {
      "description": "Book of Life"
  }
  ```

### <mark style="color:red;">DELETE</mark> endpoint examples

* Delete an actor

  ```json
  DELETE https://$ENV_API_URL/rest/actor/201?select={"$scalars": true, "$related": true}
  ```
* Delete films by name

  <pre class="language-json"><code class="lang-json"><strong>DELETE https://$ENV_API_URL/rest/film?filter={"title": {"contains": "Shark"}}
  </strong></code></pre>