SQL : L'erreur invisible qui dégrade les performances en production. Votre code SQL renvoie le bon résultat, mais à quel prix ? 🕵️‍♂️Dans cette vidéo, nous analysons le mécanisme de la conversion implicite dans Oracle. Beaucoup de développeurs ignorent qu'omettre de simples guillemets sur une colonne de type VARCHAR2 peut forcer la base de données à ignorer totalement vos index. L'impact devient critique pour votre performance :Pour permettre la comparaison entre un texte et un nombre, l'Optimi
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