May 2011
Intermediate to advanced
800 pages
39h 19m
German
Content preview from Microsoft Access Programmierrezepte
Become 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,
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.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.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.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.
R6.18 Eine Access-Datenbank verschlüsseln
Aufgabe
Das Schützen der Datenbank per Kennwort/Userkennwort hat einen wesentlichen Nachteil: Man kann zwar innerhalb der Datenbank verschiedene Sicherheitsstufen einführen, die physische Datei bleibt jedoch vollkommen ungeschützt. Ist ein ungebetener Gast an Informationen interessiert, kann er sich mit einem simplen Texteditor tiefe Einblicke verschaffen[14].
Abbildung 6.14 Inhalt einer unverschlüsselten Datenbank
Sie stören sich an dieser Schwachstelle und wollen die Datenbank verschlüsseln.
Lösung (DAO)
Hinweis
Bevor Sie mit dem Verschlüsseln beginnen, sollten Sie bedenken, dass jede Verschlüsselung zu Performance-Einbußen ...
Become 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,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.