# DB-FDs
[](https://github.com/mmaimer33/DB-FDs/actions/workflows/github-code-scanning/codeql)
DB-FDs is a simple package containing utility functions to work with [**Functional Dependencies**](https://en.wikipedia.org/wiki/Functional_dependency) for Database design.
## Installation
You can install the package from [PyPI](https://pypi.org/project/db-fds/) using [pip](https://pypi.org/project/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
```py
from db_fds import fdfuncs
```
and use it like
```py
fdfuncs.Symbol("")
```
or
```py
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 `Symbol`s. See the class and constructor docstrings for details.
## Documentation
Read the documentation in [one place](https://db-fds.readthedocs.io/en/latest/) 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](https://github.com/mmaimer33/DB-FDs) and submit a pull request. Also read the [Code of Conduct](CODE_OF_CONDUCT.md).
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"description": "# DB-FDs\n\n[](https://github.com/mmaimer33/DB-FDs/actions/workflows/github-code-scanning/codeql)\n\nDB-FDs is a simple package containing utility functions to work with [**Functional Dependencies**](https://en.wikipedia.org/wiki/Functional_dependency) for Database design.\n\n## Installation\n\nYou can install the package from [PyPI](https://pypi.org/project/db-fds/) using [pip](https://pypi.org/project/pip/):\n\n python -m pip install db-fds\n\nor simply,\n\n pip install db-fds\n\nNote: If your system does not use Python 3 by default, you may need to replace the command with `python3` or `pip3`, respectively.\n\nThe package is supported on Python 3.0 and above.\n\n## How to use\n\nAfter installation, import it into a Python program with\n\n```py\nfrom db_fds import fdfuncs\n```\n\nand use it like\n\n```py\nfdfuncs.Symbol(\"\")\n```\n\nor\n\n```py\nfrom db_fds.fdfuncs import *\n\nSymbol(\"\")\n```\n\n### Classes\n\nThe 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 `Symbol`s. See the class and constructor docstrings for details.\n\n## Documentation\n\nRead the documentation in [one place](https://db-fds.readthedocs.io/en/latest/) to see the available functionality.\n\n## Planned future additions\n\n- BCNF and 3NF checks\n- Normalization functions\n- Checking for lossless decompositions\n\n## How to Contribute\n\nFork the repository from [https://github.com/mmaimer33/DB-FDs](https://github.com/mmaimer33/DB-FDs) and submit a pull request. Also read the [Code of Conduct](CODE_OF_CONDUCT.md).\n",
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