July 2017
Intermediate to advanced
896 pages
23h 12m
English
Content preview from Oracle Internals
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Chapter 29
Analytic Functions
Jonathan Lewis
In Oracle version 8.1.6, Oracle Corp. introduced a whole new layer of functionality to its implementation of SQL: the analytic functions. This chapter provides a brief introduction to these functions, describing their use and then demonstrating the benefit in clarity and brevity of the code that they offer. This chapter is based on material previously presented to the U.K. Oracle User Group at their annual conference in December 2000.
The Way Things Were
Assume you have a data warehouse describing the sales for a chain of shops selling computer games. One of your main data tables, describing sales by location and title sold per week, may look something like the following:
create table game_sale ...
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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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