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Archive | March, 2009

What is a Business Systems Analyst?

I wrote this response to as a result of being asked the question “what is a Systems Analyst?” The term ‘Systems Analyst‘ is now outmoded.  It used be applied to those analysts who did ‘requirements analysis’ prior to computerizing a part of the business. These people usually worked in the IT Department of large enterprises and saw the world […]

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Stages in Data Modeling

A newcomer to this subject asked me the question “Where do I start and what are the stages in Data Modeling?”.  Here, in brief, is the answer I gave. The first step in data modeling is data analysis.  This means gathering information that will tell you what data entities are required by the business. You then need […]

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Data Management

Data is an invaluable asset. Not only is it essential for successfully supporting current operations but it will enable you to plan the future growth and success of your enterprise. To this end Data Management is essential. Effective Data Management needs an effective Data Architecture. An effective Data Architecture can only be achieved by doing […]

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Data Models are for Wimps!

In the building industry, before a building is ever erected you will have an architect’s plan defining in full each of its facets. You would then have wiring diagrams and plumbing diagrams. Last of all a decoration and furnishing plan. All of this before a brick is laid. No builder would consider building a house […]

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VPN versus LAN

A network colleague is going to putting together  a paper on the benefits that can accrue from having an integrated information system provided by a Virtual Private Network (VPN) as opposed to an unintegrated Local Area Network (LAN). Some of the benefits he initially listed were data integrity, reduced auditing, etc. My advice to him […]

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Can You Use Normalisation in SOA?

Many commentators are beginning to incorrectly use the term “normalisation” when they are talking about removing duplication from Service-oriented architecture (SOA). This a practice to be avoided, not just with SOA but in all communication, as it creates confusion and error.

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Prince 2 or PMP?

A question I was recently asked was which of these two is the most effective Project Management Methodology. Prince2 is very formulaic – some might say bureaucratic – and most be followed strictly if it is the defined methodology for the project.  PMP is more of a guide of best project management practice. All good […]

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