September 2014
Intermediate to advanced
384 pages
9h 28m
English
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Partitioning types and expressions
The partitioning is based on a value that is calculated for each row using a partitioning expression. The partitioning type is a method that is used to assign each row to a particular partition based on the partitioning expression. For example, the RANGE type assigns a range of values to each partition. When a row is inserted, its partitioning expression is calculated. The row will be written into the partition that matches the proper range.
Partitioning expressions
A partitioning expression is a SQL expression that returns a positive integer value or NULL. It is possible to use a temporal column in the partitioned expression as long as an integer value is returned. However, the return value cannot depend on the ...
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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.