March 2020
Intermediate to advanced
534 pages
14h 15m
English
book
Extending Microsoft Dynamics 365 Finance and Supply Chain Management Cookbook - Second Edition
by Simon Buxton
Content preview from Extending Microsoft Dynamics 365 Finance and Supply Chain Management Cookbook - Second Edition
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Optimistic concurrency and selectForUpdate
There are several system fields that are always created on all tables. One of which is RecVersion, which is used by Optimistic Concurrency (OCC). Optimistic concurrency is enabled by default on new tables. We select a record "for update" by adding a forUpdate clause to a select or while select statement, or by using the selectForUpdate(true) method that exists on all tables.
When we select a record for update, a physical lock is not placed on the record, and it is therefore possible for two different processes to select the same record for update.
As the record or records are read, they are read from the database into an internal record buffer. When the record is written back, it will check that ...
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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.