May 2013
Beginner to intermediate
352 pages
8h 8m
English
Content preview from Oracle Data Integrator 11g CookbookBecome 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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Loading data using partition exchange
Table partitioning is a commonly used strategy in data warehouse systems, and although the many reasons for partitioning a table are beyond the scope of this book, suffice it to say that performance and high availability are among the primary reasons for doing so. From a data loading perspective, the gold standard ELT strategy for targeting a partitioned table is universally considered to be the partition exchange loading (PEL) method. This advanced technique involves five basic steps:
- Create a standalone database table that is structurally identical to the partitioned table.
- Load all source records into the standalone table that comply with the boundary definition of a specific partition within the partitioned ...
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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.