June 2016
Intermediate to advanced
404 pages
11h 4m
German
Content preview from Der Java-Profi: Persistenzlösungen und REST-ServicesBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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3 Persistenz mit JDBC
In diesem Kapitel schauen wir uns mit JDBC eine Variante der Persistenz mit Java an. In Abschnitt 3.1 lernen wir das JDBC-API (Java Database Connectivity) zur Verarbeitung von Daten mit relationalen Datenbanken (RDBMS) kennen. Die Programmierschnittstelle JDBC versteckt die technischen Details des Datenbankzugriffs vor dem Entwickler. Sowohl das Erzeugen von SQL-Kommandos als auch die Auswertung der von der Datenbank gelieferten Ergebnisse geschieht mithilfe von Klassen und Interfaces des JDBC-APIs.
Bei der Verarbeitung der Daten gibt es oftmals noch das Problem zu lösen, wie man Objekte mit ihren Beziehungen in den Tabellen einer relationalen Datenbank speichern kann. Dazu benötigt man eine Abbildung von Objekten in Datenbanken, ...
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