November 2018
Intermediate to advanced
652 pages
20h 56m
German
Content preview from Datenintensive Anwendungen designenBecome 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.
Atomarer Commit und Zwei-Phasen-Commit (2PC)
Kapitel 7 hat erläutert, dass Transaktionsatomarität eine einfache Semantik bieten soll für solche Fälle, bei denen während mehrerer Schreibvorgänge etwas schiefgeht. Das Ergebnis einer Transaktion ist entweder ein erfolgreicher Commit, woraufhin alle Schreibvorgänge der Transaktion dauerhaft übernommen werden, oder ein Abbruch, bei dem alle Schreibvorgänge der Transaktion rückgängig gemacht bzw. verworfen werden.
Atomarität verhindert, dass fehlgeschlagene Transaktionen die Datenbank mit halbfertigen Ergebnissen und einem halb aktualisierten Zustand verunreinigen. Das ist vor allem wichtig bei Multi-Objekt-Transaktionen (siehe Abschnitt »Einzelobjekt- und Multiobjektoperationen« auf Seite 242) und ...
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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.