December 2001
Intermediate to advanced
800 pages
17h 55m
English
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Execution
Triggers fire just after the work has been completed by the DML statement, but before it has been committed to the database. From the perspective of the trigger, the data changes that fired it appear to have already taken place. For example, within an INSERT trigger, the rows being inserted appear to the trigger to already be in the table.
A DML statement's execution plan branches to any triggers it fires just before returning. If the trigger permits the operation to proceed, and if no user transaction is present, any changes made by the DML statement are then committed to the database.
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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.