Abstract

This first article in the Easy IWA series details the regular requirement for a referentially complete database schema along with the capability to generate and load data during testing and POC exercises. This article provides information on implementing the TPCH database schema in IBM Informix, the dbgen data generation utility and loading the generated data.

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Abstract

This article provides an overview of the Easy IWA Technical Articles Series. Using the TPCH database schema, Data Generation utilities and sample queries from http://www.tpc.org, this series covers everything to get up and running with IBM Informix Warehouse Accelerator including data generation, creation of an accelerator, loading a Data Mart and running a set of queries.

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Abstract

What is TimeSeries? TimeSeries has actually been around for a fairly long time dating back to 1992 where it started at Illustra.  It was then ported to Informix when Illustra was acquired by IBM, followed by the first Informix release of the TimeSeries Data Blade in 1996. However, it is now beginning to generate a lot of hype and interest.  The reason why we are only now starting to hear about TimeSeries with any persistence is quite simply due to need and achievability.  By this I mean: firstly, there are now larger amounts of data stored about numerous things than there were 15 years ago – simply put data is increasingly the lifeblood of every industry.  Secondly, the hardware capabilities have progressed sufficiently to manage these increasing amounts of data; however, due to these huge data stores, things are becoming sluggish, and companies are looking for improved ways to store and manage their data: enter TimeSeries…again!

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