Parler SQL: Un guide pratique à SQL et aux fondements des bases de données (French Edition)
Language: French
Published by Independently published, 2025
- Softcover
- New
Seller: California Books, Miami, FL, U.S.A.California Books
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- Title
- Parler SQL: Un guide pratique à SQL et aux fondements des bases de données (French Edition)
- Author
- Jasinkiewicz, Isaac
- Publisher
- Independently published
- Publication year
- 2025
- Condition
- New
- Binding
- Soft cover
- Language
- French
- ISBN 13
- 9798298731478
Le monde fonctionne grâce aux données, mais quelle langue parle-t-il ? Il parle SQL. Pour quiconque souhaite entrer dans le monde de la technologie, de l'analyse de données ou de l'informatique décisionnelle, la maîtrise du Structured Query Language (SQL) n'est plus une option, c'est une nécessité. Ce livre est votre clé pour acquérir cette maîtrise.
Parler SQL démystifie le langage des données, le transformant d'une barrière technique intimidante en un outil accessible et puissant. Rédigé selon une approche méthodique et pratique, ce guide utilise le moteur de base de données gratuit et léger SQLite ainsi que la célèbre base de données d'exemple Chinook, vous permettant d'apprendre par la pratique. Vous ne vous contenterez pas de lire des concepts ; vous écrirez vos premières requêtes en quelques minutes, développant des compétences concrètes dès le départ.
À l'intérieur, vous apprendrez à :
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Maîtriser les fondements : Commencez avec l'instruction SELECT de base et développez progressivement vos compétences en filtrage, tri et manipulation de données.
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Connecter les informations : Saisissez l'art du JOIN pour lier les données de plusieurs tables et répondre à des questions complexes.
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Mettre en forme et transformer les données : Utilisez des fonctions et une logique conditionnelle pour nettoyer, formater et calculer de nouvelles valeurs à la volée.
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Synthétiser et analyser : Apprenez à utiliser les agrégations, le GROUP BY et les fonctions fenêtrées avancées pour transformer les données brutes en informations pertinentes.
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Construire à partir de zéro : Allez au-delà des requêtes et apprenez à concevoir et à CREATE vos propres tables de base de données avec des contraintes robustes garantissant l'intégrité.
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Écrire de manière professionnelle : Acquérez des bases solides pour écrire du code propre, lisible et efficace — une compétence qui distingue les amateurs des professionnels.
Rédigé avec la clarté comme principe fondamental, ce livre suit une progression logique, des concepts simples aux techniques avancées. C'est le point de départ idéal pour les futurs analystes de données, les développeurs de logiciels, les professionnels de la BI, ou toute personne ayant besoin d'interagir avec des données. Vous n'apprendrez pas seulement des commandes ; vous comprendrez les principes qui les sous-tendent.
"Synopsis" may belong to another edition of this title.
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