May 2019
Beginner to intermediate
548 pages
12h 39m
English
Content preview from Mastering SAP ABAP
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The optimization of reading big datasets
The performance of a program is often determined by the efficiency of a database and how its operations are used on it.
The efficiency of using a database and downloading only necessary data to the application server can be critical to the general speed of a program, so operations on a database should be as low as possible.
We need to follow a rule that helps us to maintain an operation on a database in good performance.
In order to ensure correct performance, we must ensure that we follow these steps:
- Get only the required rows from a table: For example, if we need to get a flight from America Airlines from the sflight table, we must use the proper conditions in WHERE. When it comes to the effective ...
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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.