December 2002
Intermediate to advanced
928 pages
85h 29m
English
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Name
HASH_MULTIBLOCK_IO_COUNT
Synopsis
Value: operating system dependent
Default: 1
Dynamic: ALTER SESSION
Specifies how many sequential blocks a hash join reads and writes in one I/O. When operating in multi-threaded server mode, this parameter is ignored and a value of 1 is used. The maximum value is always less than the operating system’s maximum I/O size expressed as Oracle blocks. This parameter strongly affects performance because it controls the number of partitions into which the input is divided. Obsolete with Oracle9i.
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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.