vault backup: 2025-03-13 09:30:52
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### BDD relationnelles (schemafull)
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### BDD relationnelles
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![[Pasted image 20250312155847.png]]
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![[Pasted image 20250312155847.png]]
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### BDD Document (schemaless)
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### BDD Document
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![[Pasted image 20250312161605.png]]
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![[Pasted image 20250312161605.png]]
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### Interactions
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### Interactions
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![[Pasted image 20250312164204.png]]
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+ On interagis avec la BDD en SQL (Structured Query Language)
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+ On décrit ce qu'on veut, d'ou on le veut, on filtre sous quelles conditions on le veut et on traverse ainsi les relations de la BDD
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### Jointures
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![[Pasted image 20250312164329.png]]
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+ On a plusieurs moyen de traverser et combiner les relations de notre BDD
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### ORM
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![[Pasted image 20250312164451.png]]
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+ On aime bien utiliser des ORM pour représenter et interagir plus naturellement avec la BDD dans un langage OO
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