December 2024
Intermediate to advanced
272 pages
5h 48m
German
Content preview from SQL Schnelleinstieg - Datenbanken abfragen und verwalten in 14 Tagen
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Wer darf eigentlich was? – Rechteverwaltung und Zugriffskontrolle
Alle Relationen sind erstellt, alle Einschränkungen definiert und sämtliche Daten in die entsprechenden Relationen eingefügt. Die Einrichtung der Datenbank ist damit abgeschlossen und je nach Anwendung können nun SQL-Abfragen gestellt oder gegebenenfalls neue Daten hinzugefügt bzw. bestehende aktualisiert werden.
In dieser skizzierten idealen Welt existieren keine Probleme. Ist die Datenbank einmal eingerichtet, kann nichts mehr schiefgehen. In der Realität sieht dies jedoch etwas anders aus. Daten werden heutzutage wie Gold behandelt und müssen dementsprechend ähnlich geschützt ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.