60 lines
2 KiB
Markdown
60 lines
2 KiB
Markdown
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# <img src="doc/logo-display-only.svg" width="50%" style="display: block; margin: 0 auto;" alt="Rakenne" />
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Rakenne is a database modeling tool for command line written in Crystal.
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For now, It is a toy project to improve author's skills with the language and its various libraries. **It is very early stage and is not supposed to work (yet). Please don't use it in production.** :warning:
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Note: _rakenne_ means _structure_ in Finnish.
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## Roadmap
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* define a DSL for modeling database
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* describe entity-relationship diagrams (ERD) using MERISE notation
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* describe physical diagrams (PD)
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* provide a command-line tool for all operations
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* render models into diagrams
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* ERD to MERISE MCD diagrams
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* ERD to Chen notation diagrams
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* PD to MERISE MLD diagrams
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* validate model
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* convert across different database reprentations
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* to convert ERD to PD
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* to convert PD to database specific SQL
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* to reverse-engineer database-specific SQL to PD
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* to reverse-engineer PD to ERD
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* support multiple physical models
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* sql
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* nosql
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* support multiple SQL and NoSQL languages
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* SQL: postgresql
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* SQL: mariadb
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* NoSQL: redis
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* NoSQL: mongodb
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* NoSQL: cassandra CQL
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## Contributing
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Please read [doc/contributing.md](doc/contributing.md)
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## Authors & contributors
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* [Glenn Y. Rolland](https://github.com/glenux) - creator and maintainer
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## Sponsors
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[Rakenne](https://github.com/glenux/rakenne) is an independent project whose development and maintenance is made possible thanks to the support of its patrons.
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If you wish to join them and support the work of its author, just participate with this link:
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**>>> [Become a patron or sponsor on Patreon](https://www.patreon.com/glenux) <<<**
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## License
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Rakenne is Copyright © 2020 Glenn ROLLAND. It is free software, and may be redistributed under the terms specified in the LICENSE.txt file.
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## References
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* https://en.wikipedia.org/wiki/Entity%E2%80%93relationship_model
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* https://www.lucidchart.com/pages/er-diagrams
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* https://www.youtube.com/watch?v=LR0Ip5Jenbk
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