October 2003
Intermediate to advanced
1072 pages
24h 21m
English
Content preview from Guru's Guide to SQL Server Architecture and Internals, TheBecome 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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Virtual Memory vs. Physical Memory
Windows provides all processes a 4GB virtual memory sandbox in which to play. By “virtual” I mean that the memory isn't memory in the traditional sense. It is merely a range of addresses with no physical storage implicitly associated with it. As a process makes memory allocations, these addresses are used and physical storage is associated with them. However, this physical storage is not necessarily (and not usually) physical memory. It is usually disk drive space. Specifically, it's space in the system paging file(s). That's how multiple applications can run on a system with 128MB of memory, each with a virtual address space of 4GB—it's not real memory, but it seems like it to the application. Windows transparently ...
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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.