tutorial.json

{
  "id": "freeCodeCamp/learn-celestial-bodies-database:v1.0.0",
  "version": "2.0.0",
  "summary": {
    "title": "Celestial Bodies Database",
    "description": "> Welcome! Are you ready to build a database of the universe?"
  },
  "config": {
    "setup": {
      "commands": [
        "./.freeCodeCamp/setup.sh",
        "cd .freeCodeCamp && npm install"
      ],
      "commits": [
        "7876ac42ed1e793530d52e059eed3c0085b8c919"
      ]
    },
    "testRunner": {
      "command": "npm run programmatic-test",
      "args": {
        "filter": "--grep",
        "tap": "--reporter=mocha-tap-reporter"
      },
      "directory": ".freeCodeCamp"
    },
    "repo": {
      "uri": "https://github.com/freeCodeCamp/learn-celestial-bodies-database",
      "branch": "v2.0.0"
    },
    "continue": {
      "commands": [
        "./.freeCodeCamp/setup.sh"
      ]
    },
    "reset": {
      "commands": [
        "./.freeCodeCamp/setup.sh"
      ]
    },
    "dependencies": [
      {
        "name": "node",
        "version": ">=10"
      }
    ],
    "webhook": {
      "url": "https://api.freecodecamp.org/coderoad-challenge-completed",
      "events": {
        "init": false,
        "reset": false,
        "step_complete": false,
        "level_complete": false,
        "tutorial_complete": true
      }
    }
  },
  "levels": [
    {
      "id": "1",
      "title": "Instructions",
      "summary": "For this project, you need to log in to PostgreSQL with psql to create your d...",
      "content": "For this project, you need to log in to PostgreSQL with psql to create your database. Do that by entering `psql --username=freecodecamp --dbname=postgres` in the terminal. Make all the tests below pass to complete the project. Be sure to get creative, and have fun!\n\n**Don't forget to connect to your database after you create it** :smile:\n\nHere's some ideas for other column and table names: `description`, `has_life`, `is_spherical`, `age_in_millions_of_years`, `planet_types`, `galaxy_types`, `distance_from_earth`.\n\n**Notes:**\nIf you leave your virtual machine, your database may not be saved. You can make a dump of it by entering `pg_dump -cC --inserts -U freecodecamp universe > universe.sql` in a bash terminal (not the psql one). It will save the commands to rebuild your database in `universe.sql`. The file will be located where the command was entered. If it's anything inside the `project` folder, the file will be saved in the VM. You can rebuild the database by entering `psql -U postgres < universe.sql` in a terminal where the `.sql` file is.\n\nIf you are saving your progress on freeCodeCamp.org, after getting all the tests to pass, follow the instructions above to save a dump of your database. Save the `universe.sql` file in a public repository and submit the URL to it on freeCodeCamp.org.",
      "steps": [
        {
          "id": "1.1",
          "content": "Complete the tasks below",
          "subtasks": [
            "You should create a database named `universe`",
            "Be sure to connect to your database with `\\c universe`. Then, you should add tables named `galaxy`, `star`, `planet`, and `moon`",
            "Each table should have a primary key",
            "Each primary key should automatically increment",
            "Each table should have a `name` column",
            "You should use the `INT` data type for at least two columns that are not a primary or foreign key",
            "You should use the `NUMERIC` data type at least once",
            "You should use the `TEXT` data type at least once",
            "You should use the `BOOLEAN` data type on at least two columns",
            "Each \"star\" should have a foreign key that references one of the rows in `galaxy`",
            "Each \"planet\" should have a foreign key that references one of the rows in `star`",
            "Each \"moon\" should have a foreign key that references one of the rows in `planet`",
            "Your database should have at least five tables",
            "Each table should have at least three rows",
            "The `galaxy` and `star` tables should each have at least six rows",
            "The `planet` table should have at least 12 rows",
            "The `moon` table should have at least 20 rows",
            "Each table should have at least three columns",
            "The `galaxy`, `star`, `planet`, and `moon` tables should each have at least five columns",
            "At least two columns per table should not accept `NULL` values",
            "At least one column from each table should be required to be `UNIQUE`",
            "All columns named `name` should be of type `VARCHAR`",
            "Each primary key column should follow the naming convention `table_name_id`. For example, the `moon` table should have a primary key column named `moon_id`",
            "Each foreign key column should have the same name as the column it is referencing"
          ],
          "setup": {
            "commits": [
              "5fb8493694c4dccc55fc5acee35da474803006c2"
            ]
          }
        }
      ]
    }
  ]
}