January 2015
Beginner to intermediate
302 pages
6h 56m
English
Content preview from Learning Apex ProgrammingBecome 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,
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How many times and how many things
While we cannot stress enough that the limits we are discussing will change in the future, we still want to discuss the types of limits we tend to see in Apex. Since the reason behind the limits is to ensure equal performance for all customers on the server, there tends to be limits on how many times you can perform some operations and how many records you can perform on.
To date, there has always been a limit on the number of records that can be returned by queries, the number of records that can returned by searches, and the number of records you can save in any Apex transaction. Limiting the number of records you can operate on ensures that you write your code to only operate on the records that need to be ...
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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.