db-fds 0.3.1

Computations and Utility Functions for Database/Relation Functional Dependencies

DB-FDs

DB-FDs is a simple package containing utility functions to work with Functional Dependencies for Database design.

Installation

You can install the package from PyPI using pip:

python -m pip install db-fds

or simply,

pip install db-fds

Note: If your system does not use Python 3 by default, you may need to replace the command with python3 or pip3, respectively.

The package is supported on Python 3.0 and above.

How to use

After installation, import it into a Python program with

from db_fds import fdfuncs

and use it like

fdfuncs.Symbol("")

or

from db_fds.fdfuncs import *

Symbol("")

Classes

The package comes with 2 classes to create objects to work with: Symbol and FunctionalDependency. Use Symbol to represent an attribute in a relation, and create FunctionalDependency objects between 2 or more Symbols. See the class and constructor docstrings for details.

Documentation

Read the documentation in one place to see the available functionality.

Planned future additions

• BCNF and 3NF checks
• Normalization functions
• Checking for lossless decompositions

How to Contribute

Fork the repository from https://github.com/mmaimer33/DB-FDs and submit a pull request. Also read the Code of Conduct.