June 2002
Intermediate to advanced
736 pages
17h 21m
English
Content preview from Database Administration: The Complete Guide to Practices and ProceduresBecome 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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Chapter 18. Data Movement and Distribution
Data is not sedentary. Once data has been created, organizations tend to move it around to support many different purposes—different applications, different geographies, different users, different computing environments, and different DBMSs.
Rarely is a single copy of any piece of data good enough. Data is copied and transformed and cleansed and duplicated and stored many times throughout the organization. Different copies of the same data are used to support transaction processing and analysis; test, quality assurance, and operational systems; day-to-day operations and reporting; data warehouses, data marts, and data mining; and distributed databases. Controlling this vast sea of ...
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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.