January 2008
Intermediate to advanced
384 pages
8h 1m
English
Content preview from Joe Celko's Thinking in Sets: Auxiliary, Temporal, and Virtual Tables in SQLBecome 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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2.2. Cheap Main Storage
Traditionally, main storage (older programmers called this “core memory” or “primary storage” and called tapes and disk “secondary storage,” while younger programmers call it “memory” and “storage,” respectively) was fast, but small and expensive in a computer. This is no longer true, since it is made from the same materials as the processors. The real problem today is managing the address space once you have reached a physical limit in the software and/or hardware. Here we have random access that does not require moving a physical read/write head to locate data.
There is still an open question as to when (or if) the cost of solid-state storage will become lower than magnetic media. To quote from Jim Gray’s interview: ...
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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.
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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.