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Fall 2020 Principles of Databases — Assignment 3

  • Do not start this project until you have read these instructions carefully.
  • Read these instructions repeatedly until you understand, then begin your project. If something is not clear, ask.

❖・Introduction・❖

Convert the MySQL passwords database from assignment 1 into a MongoDB database for this assignment. Because MongoDB doesn’t observe a conventional, relation-based database model, you’ll need to carefully analyze how best to translate MySQL to MongoDB.

Note: Because we’re not dealing with Node, or any other third-party scripting language to generate high-security cryptographic strings, store your passwords as plain text in your MongoDB database.


❖・Rules・❖

  • Name your collection, thePasswordsCollection.
  • Name the database, passwords.
  • Export the database as BSON using the mongodump command. Ensure the database’s BSON file is saved to the dump folder.
  • Export the database to the included passwords.json file as JSON using the mongoexport command.
  • Don’t mix tabs with spaces; choose one or the other.
  • If using spaces, indent by 2.
  • Copy and translate all entries used to populate the original MySQL database.
  • As in the first assignment, create MongoDB commands to do the following:
    • Create a new entry into the database, which already has your 10 initial entries
    • Get the password associated with the URL of one of your 10 entries
    • Get all the password-related data, including the password, associated with URLs that have https in one of your 10 entries
    • Change a URL associated with one of the passwords in your 10 entries
    • Change any entry’s password
    • Remove a password

❖・Due・❖

Friday, 4 December 2020, at 8:00 PM.


❖・Grading・❖

Item Points
Similarity to original MySQL project 25
Implementation quality 25
Code Quality 25
Following Instructions 25

❖・Submission・❖

You will need to issue a pull request back into the original repo, the one from which your fork was created for this project. See the Issuing Pull Requests section of this site for help on how to submit your assignment.

NO late submissions will be accepted.

Note: This assignment may only be submitted via GitHub. No other form of submission will be accepted.

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