feat: merge branch

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Maciekxdabu 2022-11-23 13:01:16 +01:00
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\chapter{Task 3 - Relational schema}
\section{Relational schema}
\includepdf[pages=1]{relational.pdf}
\section{Description}
A relational diagram was generated using SQL developer. The most notable aspects of it are:\\
\\
\paragraph{Entities descriptions}
How entities changed, from logical diagram:\\
- STADIUM - Nothing of note changed, but now types of attributes and stored relations with other entities are displayed.\\
- COMPETITION - Nothing of note changed, but now types of attributes are displayed.\\
- MANAGER - Nothing of note changed, but now types of attributes and stored relations with other entities are displayed.\\
- CLUB - Nothing of note changed, but now types of attributes and stored relations with other entities are displayed.\\
- MATCH - Nothing of note changed, but now types of attributes and stored relations with other entities are displayed.\\
- PLAYER - Nothing of note changed, but now types of attributes and stored relations with other entities are displayed.\\
\paragraph{Relations descriptions}
How relations changed from logical diagram.\\
- Most of the relations remained visually the same aside from three, those are:\\
- STADIUM:COMPETITION-takes\_place\_in along with CLUB:MATCH-takes\_part\_in have been separated into a relational block based on the fact that those are N:M relations\\
- MANAGER:CLUB-works was disjoined into two relations due to the original relation being 1:1 with identity
\end{document}